1097912252 has 12 divisors (see below), whose sum is σ = 1932081480. Its totient is φ = 545888976.

The previous prime is 1097912239. The next prime is 1097912267. The reversal of 1097912252 is 2522197901.

It is a super-2 number, since 2×1097912252² = 2410822626183423008, 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 3 ways as a sum of consecutive naturals, for example, 765983 + ... + 767414.

It is an arithmetic number, because the mean of its divisors is an integer number (161006790).

Almost surely, 2^1097912252 is an apocalyptic number.

It is an amenable number.

1097912252 is a deficient number, since it is larger than the sum of its proper divisors (834169228).

1097912252 is a wasteful number, since it uses less digits than its factorization.

1097912252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533580 (or 1533578 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1097912252 is about 33134.7589700001. The cubic root of 1097912252 is about 1031.6266288995.

The spelling of 1097912252 in words is "one billion, ninety-seven million, nine hundred twelve thousand, two hundred fifty-two".