1082157172 has 12 divisors (see below), whose sum is σ = 1896899200. Its totient is φ = 540185976.

The previous prime is 1082157169. The next prime is 1082157203. The reversal of 1082157172 is 2717512801.

It is a super-2 number, since 2×1082157172² = 2342128289822075168, 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, 220422 + ... + 225277.

Almost surely, 2^1082157172 is an apocalyptic number.

It is an amenable number.

1082157172 is a deficient number, since it is larger than the sum of its proper divisors (814742028).

1082157172 is a wasteful number, since it uses less digits than its factorization.

1082157172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446310 (or 446308 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 1082157172 is about 32896.1574047791. The cubic root of 1082157172 is about 1026.6682085676.

Adding to 1082157172 its reverse (2717512801), we get a palindrome (3799669973).

The spelling of 1082157172 in words is "one billion, eighty-two million, one hundred fifty-seven thousand, one hundred seventy-two".