1019673252 has 96 divisors (see below), whose sum is σ = 2855798400. Its totient is φ = 312771456.

The previous prime is 1019673251. The next prime is 1019673257. The reversal of 1019673252 is 2523769101.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1019673251) 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 31 ways as a sum of consecutive naturals, for example, 545223 + ... + 547089.

It is an arithmetic number, because the mean of its divisors is an integer number (29747900).

Almost surely, 2^1019673252 is an apocalyptic number.

1019673252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1019673252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427899200).

1019673252 is an abundant number, since it is smaller than the sum of its proper divisors (1836125148).

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

1019673252 is a wasteful number, since it uses less digits than its factorization.

1019673252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1019673252 is about 31932.3229972390. The cubic root of 1019673252 is about 1006.5152105128.

The spelling of 1019673252 in words is "one billion, nineteen million, six hundred seventy-three thousand, two hundred fifty-two".