120422391 has 8 divisors (see below), whose sum is σ = 160614384. Its totient is φ = 80256000.

The previous prime is 120422389. The next prime is 120422431. The reversal of 120422391 is 193224021.

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

It is not a de Polignac number, because 120422391 - 2¹ = 120422389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120422311) 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, 12855 + ... + 20151.

It is an arithmetic number, because the mean of its divisors is an integer number (20076798).

Almost surely, 2^120422391 is an apocalyptic number.

120422391 is a deficient number, since it is larger than the sum of its proper divisors (40191993).

120422391 is an equidigital number, since it uses as much as digits as its factorization.

120422391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12801.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 120422391 is about 10973.7136375978. The cubic root of 120422391 is about 493.8204626032.

The spelling of 120422391 in words is "one hundred twenty million, four hundred twenty-two thousand, three hundred ninety-one".