1172013115 has 72 divisors (see below), whose sum is σ = 1809461808. Its totient is φ = 722292480.

The previous prime is 1172013107. The next prime is 1172013121. The reversal of 1172013115 is 5113102711.

It is not a de Polignac number, because 1172013115 - 2³ = 1172013107 is a prime.

It is a super-2 number, since 2×1172013115² = 2747229483464006450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8946600 + ... + 8946730.

It is an arithmetic number, because the mean of its divisors is an integer number (25131414).

Almost surely, 2^1172013115 is an apocalyptic number.

1172013115 is a deficient number, since it is larger than the sum of its proper divisors (637448693).

1172013115 is a wasteful number, since it uses less digits than its factorization.

1172013115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 1172013115 is about 34234.6770833317. The cubic root of 1172013115 is about 1054.3322489166.

Adding to 1172013115 its reverse (5113102711), we get a palindrome (6285115826).

The spelling of 1172013115 in words is "one billion, one hundred seventy-two million, thirteen thousand, one hundred fifteen".