120100231 has 4 divisors (see below), whose sum is σ = 123974464. Its totient is φ = 116226000.

The previous prime is 120100213. The next prime is 120100289. The reversal of 120100231 is 132001021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132001021 = 79 ⋅1670899.

It is a cyclic number.

It is not a de Polignac number, because 120100231 - 2⁵ = 120100199 is a prime.

It is a super-2 number, since 2×120100231² = 28848130972506722, 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 (120101231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937070 + ... + 1937131.

It is an arithmetic number, because the mean of its divisors is an integer number (30993616).

Almost surely, 2^120100231 is an apocalyptic number.

120100231 is a deficient number, since it is larger than the sum of its proper divisors (3874233).

120100231 is an equidigital number, since it uses as much as digits as its factorization.

120100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874232.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120100231 is about 10959.0250935017. The cubic root of 120100231 is about 493.3797049281.

Adding to 120100231 its reverse (132001021), we get a palindrome (252101252).

The spelling of 120100231 in words is "one hundred twenty million, one hundred thousand, two hundred thirty-one".