120245331 has 4 divisors (see below), whose sum is σ = 160327112. Its totient is φ = 80163552.

The previous prime is 120245327. The next prime is 120245353. The reversal of 120245331 is 133542021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120245331 - 2² = 120245327 is a prime.

It is a super-2 number, since 2×120245331² = 28917879254599122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120245298 and 120245307.

It is not an unprimeable number, because it can be changed into a prime (120245431) 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, 20040886 + ... + 20040891.

It is an arithmetic number, because the mean of its divisors is an integer number (40081778).

Almost surely, 2^120245331 is an apocalyptic number.

120245331 is a deficient number, since it is larger than the sum of its proper divisors (40081781).

120245331 is an equidigital number, since it uses as much as digits as its factorization.

120245331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40081780.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 120245331 is about 10965.6432095888. The cubic root of 120245331 is about 493.5783184348.

Adding to 120245331 its reverse (133542021), we get a palindrome (253787352).

The spelling of 120245331 in words is "one hundred twenty million, two hundred forty-five thousand, three hundred thirty-one".