120888021 has 8 divisors (see below), whose sum is σ = 162266400. Its totient is φ = 80050832.

The previous prime is 120887999. The next prime is 120888041.

120888021 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120888021 - 2⁵ = 120887989 is a prime.

It is a super-2 number, since 2×120888021² = 29227827242592882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120888021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120888041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134775 + ... + 135668.

It is an arithmetic number, because the mean of its divisors is an integer number (20283300).

Almost surely, 2^120888021 is an apocalyptic number.

It is an amenable number.

120888021 is a deficient number, since it is larger than the sum of its proper divisors (41378379).

120888021 is a wasteful number, since it uses less digits than its factorization.

120888021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270595.

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 120888021 is about 10994.9088672894. The cubic root of 120888021 is about 494.4561192921.

The spelling of 120888021 in words is "one hundred twenty million, eight hundred eighty-eight thousand, twenty-one".