117462409 has 2 divisors, whose sum is σ = 117462410. Its totient is φ = 117462408.

The previous prime is 117462407. The next prime is 117462413. The reversal of 117462409 is 904264711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108889225 + 8573184 = 10435^2 + 2928^2 .

It is a cyclic number.

It is not a de Polignac number, because 117462409 - 2¹ = 117462407 is a prime.

Together with 117462407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117462407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58731204 + 58731205.

It is an arithmetic number, because the mean of its divisors is an integer number (58731205).

Almost surely, 2^117462409 is an apocalyptic number.

It is an amenable number.

117462409 is a deficient number, since it is larger than the sum of its proper divisors (1).

117462409 is an equidigital number, since it uses as much as digits as its factorization.

117462409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 117462409 is about 10838.0076121029. The cubic root of 117462409 is about 489.7408166996.

The spelling of 117462409 in words is "one hundred seventeen million, four hundred sixty-two thousand, four hundred nine".