120755638 has 4 divisors (see below), whose sum is σ = 181133460. Its totient is φ = 60377818.

The previous prime is 120755629. The next prime is 120755639. The reversal of 120755638 is 836557021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120755597 and 120755606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120755639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30188908 + ... + 30188911.

It is an arithmetic number, because the mean of its divisors is an integer number (45283365).

Almost surely, 2^120755638 is an apocalyptic number.

120755638 is a deficient number, since it is larger than the sum of its proper divisors (60377822).

120755638 is an equidigital number, since it uses as much as digits as its factorization.

120755638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60377821.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 120755638 is about 10988.8870228063. The cubic root of 120755638 is about 494.2755624087.

The spelling of 120755638 in words is "one hundred twenty million, seven hundred fifty-five thousand, six hundred thirty-eight".