120130021 has 8 divisors (see below), whose sum is σ = 131481504. Its totient is φ = 108850320.

The previous prime is 120130019. The next prime is 120130039. The reversal of 120130021 is 120031021.

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 120130021 - 2¹ = 120130019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120130001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14410 + ... + 21163.

It is an arithmetic number, because the mean of its divisors is an integer number (16435188).

Almost surely, 2^120130021 is an apocalyptic number.

120130021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120130021 is a deficient number, since it is larger than the sum of its proper divisors (11351483).

120130021 is a wasteful number, since it uses less digits than its factorization.

120130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35891.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120130021 is about 10960.3841629753. The cubic root of 120130021 is about 493.4204946535.

Adding to 120130021 its reverse (120031021), we get a palindrome (240161042).

The spelling of 120130021 in words is "one hundred twenty million, one hundred thirty thousand, twenty-one".