120538442 has 32 divisors (see below), whose sum is σ = 193369680. Its totient is φ = 56250880.

The previous prime is 120538433. The next prime is 120538459. The reversal of 120538442 is 244835021.

It is a happy number.

It is a Cunningham number, because it is equal to 10979²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 88717561 + 31820881 = 9419^2 + 5641^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411248 + ... + 411540.

Almost surely, 2^120538442 is an apocalyptic number.

120538442 is a deficient number, since it is larger than the sum of its proper divisors (72831238).

120538442 is a wasteful number, since it uses less digits than its factorization.

120538442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 120538442 is about 10979.0000455415. Note that the first 4 decimals coincide. The cubic root of 120538442 is about 493.9790431864.

The spelling of 120538442 in words is "one hundred twenty million, five hundred thirty-eight thousand, four hundred forty-two".