1052157812 has 12 divisors (see below), whose sum is σ = 1949586660. Its totient is φ = 495133056.

The previous prime is 1052157781. The next prime is 1052157853. The reversal of 1052157812 is 2187512501.

It can be written as a sum of positive squares in 2 ways, for example, as 796029796 + 256128016 = 28214^2 + 16004^2 .

It is a super-2 number, since 2×1052157812² = 2214072122705254688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7736387 + ... + 7736522.

It is an arithmetic number, because the mean of its divisors is an integer number (162465555).

Almost surely, 2^1052157812 is an apocalyptic number.

It is an amenable number.

1052157812 is a deficient number, since it is larger than the sum of its proper divisors (897428848).

1052157812 is a wasteful number, since it uses less digits than its factorization.

1052157812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472930 (or 15472928 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 1052157812 is about 32436.9821654235. The cubic root of 1052157812 is about 1017.0921319223.

The spelling of 1052157812 in words is "one billion, fifty-two million, one hundred fifty-seven thousand, eight hundred twelve".