116401291 has 2 divisors, whose sum is σ = 116401292. Its totient is φ = 116401290.

The previous prime is 116401253. The next prime is 116401309. The reversal of 116401291 is 192104611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116401291 - 2¹³ = 116393099 is a prime.

It is not a weakly prime, because it can be changed into another prime (116401991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58200645 + 58200646.

It is an arithmetic number, because the mean of its divisors is an integer number (58200646).

Almost surely, 2^116401291 is an apocalyptic number.

116401291 is a deficient number, since it is larger than the sum of its proper divisors (1).

116401291 is an equidigital number, since it uses as much as digits as its factorization.

116401291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 116401291 is about 10788.9429973469. The cubic root of 116401291 is about 488.2616326940.

The spelling of 116401291 in words is "one hundred sixteen million, four hundred one thousand, two hundred ninety-one".