115240651 has 4 divisors (see below), whose sum is σ = 117129904. Its totient is φ = 113351400.

The previous prime is 115240571. The next prime is 115240673. The reversal of 115240651 is 156042511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156042511 = 23 ⋅6784457.

It is a cyclic number.

It is not a de Polignac number, because 115240651 - 2⁷ = 115240523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115247651) 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, 944535 + ... + 944656.

It is an arithmetic number, because the mean of its divisors is an integer number (29282476).

Almost surely, 2^115240651 is an apocalyptic number.

115240651 is a deficient number, since it is larger than the sum of its proper divisors (1889253).

115240651 is an equidigital number, since it uses as much as digits as its factorization.

115240651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889252.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 115240651 is about 10735.0198416212. The cubic root of 115240651 is about 486.6333861544.

The spelling of 115240651 in words is "one hundred fifteen million, two hundred forty thousand, six hundred fifty-one".