117561002 has 16 divisors (see below), whose sum is σ = 190459080. Its totient is φ = 54100992.

The previous prime is 117560957. The next prime is 117561013. The reversal of 117561002 is 200165711.

It can be written as a sum of positive squares in 4 ways, for example, as 65302561 + 52258441 = 8081^2 + 7229^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774 + ... + 15582.

Almost surely, 2^117561002 is an apocalyptic number.

117561002 is a deficient number, since it is larger than the sum of its proper divisors (72898078).

117561002 is a wasteful number, since it uses less digits than its factorization.

117561002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 117561002 is about 10842.5551416629. Note that the first 3 decimals coincide. The cubic root of 117561002 is about 489.8778009870.

The spelling of 117561002 in words is "one hundred seventeen million, five hundred sixty-one thousand, two".