1052402772 has 24 divisors (see below), whose sum is σ = 2474945536. Its totient is φ = 348038208.

The previous prime is 1052402753. The next prime is 1052402797. The reversal of 1052402772 is 2772042501.

It is a super-2 number, since 2×1052402772² = 2215103189026567968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343753 + ... + 346800.

Almost surely, 2^1052402772 is an apocalyptic number.

1052402772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1052402772 is an abundant number, since it is smaller than the sum of its proper divisors (1422542764).

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

1052402772 is a wasteful number, since it uses less digits than its factorization.

1052402772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690687 (or 690685 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 1052402772 is about 32440.7578826389. The cubic root of 1052402772 is about 1017.1710578379.

The spelling of 1052402772 in words is "one billion, fifty-two million, four hundred two thousand, seven hundred seventy-two".