120109426 has 16 divisors (see below), whose sum is σ = 184584096. Its totient is φ = 58598496.

The previous prime is 120109421. The next prime is 120109441. The reversal of 120109426 is 624901021.

It is a self number, because there is not a number n which added to its sum of digits gives 120109426.

It is not an unprimeable number, because it can be changed into a prime (120109421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10150 + ... + 18526.

It is an arithmetic number, because the mean of its divisors is an integer number (11536506).

Almost surely, 2^120109426 is an apocalyptic number.

120109426 is a deficient number, since it is larger than the sum of its proper divisors (64474670).

120109426 is a wasteful number, since it uses less digits than its factorization.

120109426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 120109426 is about 10959.4446027160. Note that the first 3 decimals coincide. The cubic root of 120109426 is about 493.3922958298.

The spelling of 120109426 in words is "one hundred twenty million, one hundred nine thousand, four hundred twenty-six".