100425118 has 4 divisors (see below), whose sum is σ = 150637680. Its totient is φ = 50212558.

The previous prime is 100425109. The next prime is 100425179. The reversal of 100425118 is 811524001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 811524001 = 773 ⋅1049837.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25106278 + ... + 25106281.

It is an arithmetic number, because the mean of its divisors is an integer number (37659420).

Almost surely, 2^100425118 is an apocalyptic number.

100425118 is a deficient number, since it is larger than the sum of its proper divisors (50212562).

100425118 is an equidigital number, since it uses as much as digits as its factorization.

100425118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50212561.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 100425118 is about 10021.2333572270. The cubic root of 100425118 is about 464.8156944852.

Adding to 100425118 its reverse (811524001), we get a palindrome (911949119).

The spelling of 100425118 in words is "one hundred million, four hundred twenty-five thousand, one hundred eighteen".