1072147450 has 24 divisors (see below), whose sum is σ = 2175485760. Its totient is φ = 389871600.

The previous prime is 1072147399. The next prime is 1072147457. The reversal of 1072147450 is 547412701.

It is a super-2 number, since 2×1072147450² = 2299000309083005000, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1072147457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 974130 + ... + 975229.

It is an arithmetic number, because the mean of its divisors is an integer number (90645240).

Almost surely, 2^1072147450 is an apocalyptic number.

1072147450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1072147450 is an abundant number, since it is smaller than the sum of its proper divisors (1103338310).

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

1072147450 is a wasteful number, since it uses less digits than its factorization.

1072147450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949382 (or 1949377 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 1072147450 is about 32743.6627456368. The cubic root of 1072147450 is about 1023.4929110841.

The spelling of 1072147450 in words is "one billion, seventy-two million, one hundred forty-seven thousand, four hundred fifty".