120920493 has 4 divisors (see below), whose sum is σ = 161227328. Its totient is φ = 80613660.

The previous prime is 120920479. The next prime is 120920531. The reversal of 120920493 is 394029021.

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.

It is not a de Polignac number, because 120920493 - 2¹⁷ = 120789421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120920493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120920413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20153413 + ... + 20153418.

It is an arithmetic number, because the mean of its divisors is an integer number (40306832).

Almost surely, 2^120920493 is an apocalyptic number.

It is an amenable number.

120920493 is a deficient number, since it is larger than the sum of its proper divisors (40306835).

120920493 is an equidigital number, since it uses as much as digits as its factorization.

120920493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40306834.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 120920493 is about 10996.3854515927. The cubic root of 120920493 is about 494.5003876477.

The spelling of 120920493 in words is "one hundred twenty million, nine hundred twenty thousand, four hundred ninety-three".