117677121 has 4 divisors (see below), whose sum is σ = 156902832. Its totient is φ = 78451412.

The previous prime is 117677117. The next prime is 117677123. The reversal of 117677121 is 121776711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117677121 - 2² = 117677117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117677123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19612851 + ... + 19612856.

It is an arithmetic number, because the mean of its divisors is an integer number (39225708).

Almost surely, 2^117677121 is an apocalyptic number.

It is an amenable number.

117677121 is a deficient number, since it is larger than the sum of its proper divisors (39225711).

117677121 is an equidigital number, since it uses as much as digits as its factorization.

117677121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39225710.

The product of its digits is 4116, while the sum is 33.

The square root of 117677121 is about 10847.9086002787. The cubic root of 117677121 is about 490.0390375673.

The spelling of 117677121 in words is "one hundred seventeen million, six hundred seventy-seven thousand, one hundred twenty-one".