120369021 has 16 divisors (see below), whose sum is σ = 164484864. Its totient is φ = 78261824.

The previous prime is 120369019. The next prime is 120369031. The reversal of 120369021 is 120963021.

It is a cyclic number.

It is not a de Polignac number, because 120369021 - 2¹ = 120369019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120368982 and 120369000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120369031) 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, 43351 + ... + 46043.

It is an arithmetic number, because the mean of its divisors is an integer number (10280304).

Almost surely, 2^120369021 is an apocalyptic number.

It is an amenable number.

120369021 is a deficient number, since it is larger than the sum of its proper divisors (44115843).

120369021 is a wasteful number, since it uses less digits than its factorization.

120369021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 120369021 is about 10971.2816480118. The cubic root of 120369021 is about 493.7474997256.

The spelling of 120369021 in words is "one hundred twenty million, three hundred sixty-nine thousand, twenty-one".