117654071 has 2 divisors, whose sum is σ = 117654072. Its totient is φ = 117654070.

The previous prime is 117654067. The next prime is 117654109. The reversal of 117654071 is 170456711.

It is a weak prime.

It is an emirp because it is prime and its reverse (170456711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117654071 - 2² = 117654067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117654001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58827035 + 58827036.

It is an arithmetic number, because the mean of its divisors is an integer number (58827036).

Almost surely, 2^117654071 is an apocalyptic number.

117654071 is a deficient number, since it is larger than the sum of its proper divisors (1).

117654071 is an equidigital number, since it uses as much as digits as its factorization.

117654071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 117654071 is about 10846.8461314799. The cubic root of 117654071 is about 490.0070400210.

The spelling of 117654071 in words is "one hundred seventeen million, six hundred fifty-four thousand, seventy-one".