120950121 has 16 divisors (see below), whose sum is σ = 171720000. Its totient is φ = 75460608.

The previous prime is 120950117. The next prime is 120950147. The reversal of 120950121 is 121059021.

It is not a de Polignac number, because 120950121 - 2² = 120950117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120950161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (10732500).

Almost surely, 2^120950121 is an apocalyptic number.

It is an amenable number.

120950121 is a deficient number, since it is larger than the sum of its proper divisors (50769879).

120950121 is a wasteful number, since it uses less digits than its factorization.

120950121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13448.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 120950121 is about 10997.7325390282. The cubic root of 120950121 is about 494.5407719274.

Subtracting 120950121 from its reverse (121059021), we obtain a square (108900 = 330²).

The spelling of 120950121 in words is "one hundred twenty million, nine hundred fifty thousand, one hundred twenty-one".