1162172940 has 24 divisors (see below), whose sum is σ = 3254084400. Its totient is φ = 309912768.

The previous prime is 1162172929. The next prime is 1162172953. The reversal of 1162172940 is 492712611.

It is a happy 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, 9684715 + ... + 9684834.

It is an arithmetic number, because the mean of its divisors is an integer number (135586850).

Almost surely, 2^1162172940 is an apocalyptic number.

1162172940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1162172940 is an abundant number, since it is smaller than the sum of its proper divisors (2091911460).

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

1162172940 is a wasteful number, since it uses less digits than its factorization.

1162172940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19369561 (or 19369559 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1162172940 is about 34090.6576645274. The cubic root of 1162172940 is about 1051.3732417725.

The spelling of 1162172940 in words is "one billion, one hundred sixty-two million, one hundred seventy-two thousand, nine hundred forty".