117512771 has 2 divisors, whose sum is σ = 117512772. Its totient is φ = 117512770.

The previous prime is 117512767. The next prime is 117512797. The reversal of 117512771 is 177215711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117512771 - 2² = 117512767 is a prime.

It is not a weakly prime, because it can be changed into another prime (117512711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58756385 + 58756386.

It is an arithmetic number, because the mean of its divisors is an integer number (58756386).

Almost surely, 2^117512771 is an apocalyptic number.

117512771 is a deficient number, since it is larger than the sum of its proper divisors (1).

117512771 is an equidigital number, since it uses as much as digits as its factorization.

117512771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3430, while the sum is 32.

The square root of 117512771 is about 10840.3307606364. The cubic root of 117512771 is about 489.8107988131.

The spelling of 117512771 in words is "one hundred seventeen million, five hundred twelve thousand, seven hundred seventy-one".