120955021238 has 4 divisors (see below), whose sum is σ = 181432531860. Its totient is φ = 60477510618.

The previous prime is 120955021237. The next prime is 120955021321. The reversal of 120955021238 is 832120559021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832120559021 = 109 ⋅7634133569.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120955021237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30238755308 + ... + 30238755311.

It is an arithmetic number, because the mean of its divisors is an integer number (45358132965).

Almost surely, 2^120955021238 is an apocalyptic number.

120955021238 is a deficient number, since it is larger than the sum of its proper divisors (60477510622).

120955021238 is an equidigital number, since it uses as much as digits as its factorization.

120955021238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60477510621.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 120955021238 in words is "one hundred twenty billion, nine hundred fifty-five million, twenty-one thousand, two hundred thirty-eight".