118126031 has 4 divisors (see below), whose sum is σ = 120873192. Its totient is φ = 115378872.

The previous prime is 118126007. The next prime is 118126039. The reversal of 118126031 is 130621811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118126031 - 2¹⁴ = 118109647 is a prime.

It is a super-2 number, since 2×118126031² = 27907518399625922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118125988 and 118126006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118126039) 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, 1373516 + ... + 1373601.

It is an arithmetic number, because the mean of its divisors is an integer number (30218298).

Almost surely, 2^118126031 is an apocalyptic number.

118126031 is a deficient number, since it is larger than the sum of its proper divisors (2747161).

118126031 is an equidigital number, since it uses as much as digits as its factorization.

118126031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747160.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 118126031 is about 10868.5799900447. The cubic root of 118126031 is about 490.6613740244.

Adding to 118126031 its reverse (130621811), we get a palindrome (248747842).

The spelling of 118126031 in words is "one hundred eighteen million, one hundred twenty-six thousand, thirty-one".