120259021 has 4 divisors (see below), whose sum is σ = 120384352. Its totient is φ = 120133692.

The previous prime is 120258997. The next prime is 120259031. The reversal of 120259021 is 120952021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120952021 = 73 ⋅1656877.

It is a cyclic number.

It is not a de Polignac number, because 120259021 - 2⁷ = 120258893 is a prime.

It is a super-3 number, since 3×120259021³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120258983 and 120259001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120259031) 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 3 ways as a sum of consecutive naturals, for example, 61215 + ... + 63148.

It is an arithmetic number, because the mean of its divisors is an integer number (30096088).

Almost surely, 2^120259021 is an apocalyptic number.

It is an amenable number.

120259021 is a deficient number, since it is larger than the sum of its proper divisors (125331).

120259021 is an equidigital number, since it uses as much as digits as its factorization.

120259021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125330.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 120259021 is about 10966.2674142116. The cubic root of 120259021 is about 493.5970491156.

The spelling of 120259021 in words is "one hundred twenty million, two hundred fifty-nine thousand, twenty-one".