1052009904 has 160 divisors (see below), whose sum is σ = 3055518720. Its totient is φ = 309196800.

The previous prime is 1052009873. The next prime is 1052009909. The reversal of 1052009904 is 4099002501.

It is a happy number.

It is a super-2 number, since 2×1052009904² = 2213449676228178432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052009909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2866329 + ... + 2866695.

It is an arithmetic number, because the mean of its divisors is an integer number (19096992).

Almost surely, 2^1052009904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052009904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527759360).

1052009904 is an abundant number, since it is smaller than the sum of its proper divisors (2003508816).

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

1052009904 is a wasteful number, since it uses less digits than its factorization.

1052009904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1052009904 is about 32434.7021567950. The cubic root of 1052009904 is about 1017.0444701517.

The spelling of 1052009904 in words is "one billion, fifty-two million, nine thousand, nine hundred four".