120323021 has 16 divisors (see below), whose sum is σ = 148399104. Its totient is φ = 95001984.

The previous prime is 120323011. The next prime is 120323033.

It is a happy number.

120323021 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-120323021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120322987 and 120323005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120323011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55076 + ... + 57218.

It is an arithmetic number, because the mean of its divisors is an integer number (9274944).

Almost surely, 2^120323021 is an apocalyptic number.

It is an amenable number.

120323021 is a deficient number, since it is larger than the sum of its proper divisors (28076083).

120323021 is a wasteful number, since it uses less digits than its factorization.

120323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120323021 is about 10969.1850654458. The cubic root of 120323021 is about 493.6845951714.

The spelling of 120323021 in words is "one hundred twenty million, three hundred twenty-three thousand, twenty-one".