120326631 has 4 divisors (see below), whose sum is σ = 160435512. Its totient is φ = 80217752.

The previous prime is 120326623. The next prime is 120326651. The reversal of 120326631 is 136623021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136623021 = 3 ⋅45541007.

It is a cyclic number.

It is not a de Polignac number, because 120326631 - 2³ = 120326623 is a prime.

It is a super-2 number, since 2×120326631² = 28956996255620322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120326651) 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, 20054436 + ... + 20054441.

It is an arithmetic number, because the mean of its divisors is an integer number (40108878).

Almost surely, 2^120326631 is an apocalyptic number.

120326631 is a deficient number, since it is larger than the sum of its proper divisors (40108881).

120326631 is an equidigital number, since it uses as much as digits as its factorization.

120326631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40108880.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 120326631 is about 10969.3496160894. The cubic root of 120326631 is about 493.6895323910.

Adding to 120326631 its reverse (136623021), we get a palindrome (256949652).

The spelling of 120326631 in words is "one hundred twenty million, three hundred twenty-six thousand, six hundred thirty-one".