118425013 has 6 divisors (see below), whose sum is σ = 137759766. Its totient is φ = 101507112.

The previous prime is 118425011. The next prime is 118425019. The reversal of 118425013 is 310524811.

It can be written as a sum of positive squares in only one way, i.e., 117874449 + 550564 = 10857^2 + 742^2 .

It is not a de Polignac number, because 118425013 - 2¹ = 118425011 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 (118425011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1208370 + ... + 1208467.

It is an arithmetic number, because the mean of its divisors is an integer number (22959961).

Almost surely, 2^118425013 is an apocalyptic number.

It is an amenable number.

118425013 is a deficient number, since it is larger than the sum of its proper divisors (19334753).

118425013 is an equidigital number, since it uses as much as digits as its factorization.

118425013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416851 (or 2416844 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 118425013 is about 10882.3257165001. The cubic root of 118425013 is about 491.0749868535.

Adding to 118425013 its reverse (310524811), we get a palindrome (428949824).

The spelling of 118425013 in words is "one hundred eighteen million, four hundred twenty-five thousand, thirteen".