117292131 has 20 divisors (see below), whose sum is σ = 191144184. Its totient is φ = 71085600.

The previous prime is 117292117. The next prime is 117292141. The reversal of 117292131 is 131292711.

It is not a de Polignac number, because 117292131 - 2¹⁰ = 117291107 is a prime.

It is a super-2 number, since 2×117292131² = 27514887989042322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 117292095 and 117292104.

It is not an unprimeable number, because it can be changed into a prime (117292141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64930 + ... + 66711.

Almost surely, 2^117292131 is an apocalyptic number.

117292131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117292131 is a deficient number, since it is larger than the sum of its proper divisors (73852053).

117292131 is a wasteful number, since it uses less digits than its factorization.

117292131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131664 (or 131655 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 117292131 is about 10830.1491679478. The cubic root of 117292131 is about 489.5040532502.

The spelling of 117292131 in words is "one hundred seventeen million, two hundred ninety-two thousand, one hundred thirty-one".