1052156652 has 12 divisors (see below), whose sum is σ = 2455032216. Its totient is φ = 350718880.

The previous prime is 1052156641. The next prime is 1052156653. The reversal of 1052156652 is 2566512501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1052156652² = 2214067240695698208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052156653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43839849 + ... + 43839872.

It is an arithmetic number, because the mean of its divisors is an integer number (204586018).

Almost surely, 2^1052156652 is an apocalyptic number.

1052156652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1052156652 is an abundant number, since it is smaller than the sum of its proper divisors (1402875564).

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

1052156652 is a wasteful number, since it uses less digits than its factorization.

1052156652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87679728 (or 87679726 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1052156652 is about 32436.9642845936. The cubic root of 1052156652 is about 1017.0917581421.

The spelling of 1052156652 in words is "one billion, fifty-two million, one hundred fifty-six thousand, six hundred fifty-two".