1172619472 has 20 divisors (see below), whose sum is σ = 2405594916. Its totient is φ = 551820800.

The previous prime is 1172619433. The next prime is 1172619473. The reversal of 1172619472 is 2749162711.

It can be written as a sum of positive squares in 2 ways, for example, as 1082673216 + 89946256 = 32904^2 + 9484^2 .

It is a super-2 number, since 2×1172619472² = 2750072852227117568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172619473) 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, 2155279 + ... + 2155822.

Almost surely, 2^1172619472 is an apocalyptic number.

It is an amenable number.

1172619472 is an abundant number, since it is smaller than the sum of its proper divisors (1232975444).

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

1172619472 is a wasteful number, since it uses less digits than its factorization.

1172619472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311126 (or 4311120 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 1172619472 is about 34243.5318271933. The cubic root of 1172619472 is about 1054.5140419678.

The spelling of 1172619472 in words is "one billion, one hundred seventy-two million, six hundred nineteen thousand, four hundred seventy-two".