118501157 has 4 divisors (see below), whose sum is σ = 124738080. Its totient is φ = 112264236.

The previous prime is 118501153. The next prime is 118501259. The reversal of 118501157 is 751105811.

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.

It is not a de Polignac number, because 118501157 - 2² = 118501153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118501151) 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, 3118433 + ... + 3118470.

It is an arithmetic number, because the mean of its divisors is an integer number (31184520).

Almost surely, 2^118501157 is an apocalyptic number.

It is an amenable number.

118501157 is a deficient number, since it is larger than the sum of its proper divisors (6236923).

118501157 is an equidigital number, since it uses as much as digits as its factorization.

118501157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236922.

The product of its (nonzero) digits is 1400, while the sum is 29.

The square root of 118501157 is about 10885.8236711790. The cubic root of 118501157 is about 491.1802135045.

Adding to 118501157 its reverse (751105811), we get a palindrome (869606968).

The spelling of 118501157 in words is "one hundred eighteen million, five hundred one thousand, one hundred fifty-seven".