116265121 has 4 divisors (see below), whose sum is σ = 132874432. Its totient is φ = 99655812.

The previous prime is 116265119. The next prime is 116265131. The reversal of 116265121 is 121562611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121562611 = 2767 ⋅43933.

It is a cyclic number.

It is not a de Polignac number, because 116265121 - 2¹ = 116265119 is a prime.

It is a super-2 number, since 2×116265121² = 27035156722289282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116265101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8304645 + ... + 8304658.

It is an arithmetic number, because the mean of its divisors is an integer number (33218608).

Almost surely, 2^116265121 is an apocalyptic number.

It is an amenable number.

116265121 is a deficient number, since it is larger than the sum of its proper divisors (16609311).

116265121 is an equidigital number, since it uses as much as digits as its factorization.

116265121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16609310.

The product of its digits is 720, while the sum is 25.

The square root of 116265121 is about 10782.6305232072. The cubic root of 116265121 is about 488.0711636455.

The spelling of 116265121 in words is "one hundred sixteen million, two hundred sixty-five thousand, one hundred twenty-one".