1172401479 has 32 divisors (see below), whose sum is σ = 1831328000. Its totient is φ = 739240992.

The previous prime is 1172401469. The next prime is 1172401501. The reversal of 1172401479 is 9741042711.

It is not a de Polignac number, because 1172401479 - 2⁴ = 1172401463 is a prime.

It is a super-2 number, since 2×1172401479² = 2749050455922774882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172401409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386832 + ... + 389850.

It is an arithmetic number, because the mean of its divisors is an integer number (57229000).

Almost surely, 2^1172401479 is an apocalyptic number.

1172401479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1172401479 is a deficient number, since it is larger than the sum of its proper divisors (658926521).

1172401479 is a wasteful number, since it uses less digits than its factorization.

1172401479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804 (or 3798 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1172401479 is about 34240.3486985749. The cubic root of 1172401479 is about 1054.4486922866.

The spelling of 1172401479 in words is "one billion, one hundred seventy-two million, four hundred one thousand, four hundred seventy-nine".