117417571 has 2 divisors, whose sum is σ = 117417572. Its totient is φ = 117417570.

The previous prime is 117417551. The next prime is 117417577. The reversal of 117417571 is 175714711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117417571 - 2²⁵ = 83863139 is a prime.

It is not a weakly prime, because it can be changed into another prime (117417577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58708785 + 58708786.

It is an arithmetic number, because the mean of its divisors is an integer number (58708786).

Almost surely, 2^117417571 is an apocalyptic number.

117417571 is a deficient number, since it is larger than the sum of its proper divisors (1).

117417571 is an equidigital number, since it uses as much as digits as its factorization.

117417571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6860, while the sum is 34.

The square root of 117417571 is about 10835.9388610309. The cubic root of 117417571 is about 489.6784938010.

It can be divided in two parts, 11741 and 7571, that multiplied together give a triangular number (88891111 = T₁₃₃₃₃).

The spelling of 117417571 in words is "one hundred seventeen million, four hundred seventeen thousand, five hundred seventy-one".