120225031 has 4 divisors (see below), whose sum is σ = 120275064. Its totient is φ = 120175000.

The previous prime is 120225029. The next prime is 120225043. The reversal of 120225031 is 130522021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130522021 = 7 ⋅18646003.

It is a cyclic number.

It is not a de Polignac number, because 120225031 - 2¹ = 120225029 is a prime.

It is a super-2 number, since 2×120225031² = 28908116157901922, 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 = 120224996 and 120225014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120225431) 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, 21220 + ... + 26281.

It is an arithmetic number, because the mean of its divisors is an integer number (30068766).

Almost surely, 2^120225031 is an apocalyptic number.

120225031 is a deficient number, since it is larger than the sum of its proper divisors (50033).

120225031 is an equidigital number, since it uses as much as digits as its factorization.

120225031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50032.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120225031 is about 10964.7175522218. The cubic root of 120225031 is about 493.5505413237.

Adding to 120225031 its reverse (130522021), we get a palindrome (250747052).

The spelling of 120225031 in words is "one hundred twenty million, two hundred twenty-five thousand, thirty-one".