120446731 has 4 divisors (see below), whose sum is σ = 121185832. Its totient is φ = 119707632.

The previous prime is 120446707. The next prime is 120446737. The reversal of 120446731 is 137644021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137644021 = 53 ⋅2597057.

It is a cyclic number.

It is not a de Polignac number, because 120446731 - 2¹⁷ = 120315659 is a prime.

It is a super-2 number, since 2×120446731² = 29014830017172722, which contains 22 as substring.

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 120446731.

It is not an unprimeable number, because it can be changed into a prime (120446737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369306 + ... + 369631.

It is an arithmetic number, because the mean of its divisors is an integer number (30296458).

Almost surely, 2^120446731 is an apocalyptic number.

120446731 is a deficient number, since it is larger than the sum of its proper divisors (739101).

120446731 is an equidigital number, since it uses as much as digits as its factorization.

120446731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739100.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 120446731 is about 10974.8225953771. The cubic root of 120446731 is about 493.8537310019.

The spelling of 120446731 in words is "one hundred twenty million, four hundred forty-six thousand, seven hundred thirty-one".