1172556104 has 16 divisors (see below), whose sum is σ = 2198916720. Its totient is φ = 586178320.

The previous prime is 1172556103. The next prime is 1172556109. The reversal of 1172556104 is 4016552711.

It is not an unprimeable number, because it can be changed into a prime (1172556103) 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, 68207 + ... + 83649.

It is an arithmetic number, because the mean of its divisors is an integer number (137432295).

Almost surely, 2^1172556104 is an apocalyptic number.

It is an amenable number.

1172556104 is a deficient number, since it is larger than the sum of its proper divisors (1026360616).

1172556104 is a wasteful number, since it uses less digits than its factorization.

1172556104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24940 (or 24936 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1172556104 is about 34242.6065596648. The cubic root of 1172556104 is about 1054.4950464194.

The spelling of 1172556104 in words is "one billion, one hundred seventy-two million, five hundred fifty-six thousand, one hundred four".