120670138 has 4 divisors (see below), whose sum is σ = 181005210. Its totient is φ = 60335068.

The previous prime is 120670129. The next prime is 120670153. The reversal of 120670138 is 831076021.

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

It can be written as a sum of positive squares in only one way, i.e., 72131049 + 48539089 = 8493^2 + 6967^2 .

It is a super-2 number, since 2×120670138² = 29122564409878088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30167533 + ... + 30167536.

Almost surely, 2^120670138 is an apocalyptic number.

120670138 is a deficient number, since it is larger than the sum of its proper divisors (60335072).

120670138 is an equidigital number, since it uses as much as digits as its factorization.

120670138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60335071.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 120670138 is about 10984.9960400539. The cubic root of 120670138 is about 494.1588789995.

The spelling of 120670138 in words is "one hundred twenty million, six hundred seventy thousand, one hundred thirty-eight".