120123031 has 8 divisors (see below), whose sum is σ = 137470880. Its totient is φ = 102822048.

The previous prime is 120123019. The next prime is 120123041. The reversal of 120123031 is 130321021.

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

It is not a de Polignac number, because 120123031 - 2⁷ = 120122903 is a prime.

It is a super-2 number, since 2×120123031² = 28859085153253922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120123001) 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, 6036 + ... + 16633.

It is an arithmetic number, because the mean of its divisors is an integer number (17183860).

Almost surely, 2^120123031 is an apocalyptic number.

120123031 is a deficient number, since it is larger than the sum of its proper divisors (17347849).

120123031 is an equidigital number, since it uses as much as digits as its factorization.

120123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23433.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120123031 is about 10960.0652826523. The cubic root of 120123031 is about 493.4109242561.

Adding to 120123031 its reverse (130321021), we get a palindrome (250444052).

The spelling of 120123031 in words is "one hundred twenty million, one hundred twenty-three thousand, thirty-one".