1172681560 has 16 divisors (see below), whose sum is σ = 2638533600. Its totient is φ = 469072608.

The previous prime is 1172681557. The next prime is 1172681567. The reversal of 1172681560 is 651862711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172681567) 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, 14658480 + ... + 14658559.

It is an arithmetic number, because the mean of its divisors is an integer number (164908350).

Almost surely, 2^1172681560 is an apocalyptic number.

1172681560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1172681560 is an abundant number, since it is smaller than the sum of its proper divisors (1465852040).

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

1172681560 is a wasteful number, since it uses less digits than its factorization.

1172681560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29317050 (or 29317046 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1172681560 is about 34244.4383805604. The cubic root of 1172681560 is about 1054.5326531524.

It can be divided in two parts, 117268 and 1560, that added together give a triangular number (118828 = T₄₈₇).

The spelling of 1172681560 in words is "one billion, one hundred seventy-two million, six hundred eighty-one thousand, five hundred sixty".