1067897250 has 256 divisors, whose sum is σ = 3434296320. Its totient is φ = 240537600.

The previous prime is 1067897249. The next prime is 1067897251. The reversal of 1067897250 is 527987601.

It is an interprime number because it is at equal distance from previous prime (1067897249) and next prime (1067897251).

It is a super-2 number, since 2×1067897250² = 2280809073115125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1067897196 and 1067897205.

It is not an unprimeable number, because it can be changed into a prime (1067897251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4583134 + ... + 4583366.

It is an arithmetic number, because the mean of its divisors is an integer number (13415220).

Almost surely, 2^1067897250 is an apocalyptic number.

1067897250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1067897250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717148160).

1067897250 is an abundant number, since it is smaller than the sum of its proper divisors (2366399070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1067897250 is a wasteful number, since it uses less digits than its factorization.

1067897250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 1067897250 is about 32678.6971894536. The cubic root of 1067897250 is about 1022.1386786945.

The spelling of 1067897250 in words is "one billion, sixty-seven million, eight hundred ninety-seven thousand, two hundred fifty".