1172040404 has 12 divisors (see below), whose sum is σ = 2079168084. Its totient is φ = 577992384.

The previous prime is 1172040383. The next prime is 1172040409. The reversal of 1172040404 is 4040402711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 519748804 + 652291600 = 22798^2 + 25540^2 .

1172040404 is a modest number, since divided by 40404 gives 1172 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1172040404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172040409) 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, 2006627 + ... + 2007210.

It is an arithmetic number, because the mean of its divisors is an integer number (173264007).

Almost surely, 2^1172040404 is an apocalyptic number.

It is an amenable number.

1172040404 is a deficient number, since it is larger than the sum of its proper divisors (907127680).

1172040404 is a wasteful number, since it uses less digits than its factorization.

1172040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013914 (or 4013912 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 1172040404 is about 34235.0756388824. The cubic root of 1172040404 is about 1054.3404318311.

The spelling of 1172040404 in words is "one billion, one hundred seventy-two million, forty thousand, four hundred four".