12125031 has 16 divisors (see below), whose sum is σ = 16725120. Its totient is φ = 7809120.

The previous prime is 12125023. The next prime is 12125033. The reversal of 12125031 is 13052121.

12125031 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12125031 - 2³ = 12125023 is a prime.

It is a super-2 number, since 2×12125031² = 294032753501922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12125031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10236 + ... + 11358.

It is an arithmetic number, because the mean of its divisors is an integer number (1045320).

Almost surely, 2^12125031 is an apocalyptic number.

12125031 is a deficient number, since it is larger than the sum of its proper divisors (4600089).

12125031 is a wasteful number, since it uses less digits than its factorization.

12125031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12125031 is about 3482.1015206338. The cubic root of 12125031 is about 229.7352403981.

Adding to 12125031 its reverse (13052121), we get a palindrome (25177152).

It can be divided in two parts, 121 and 25031, that added together give a palindrome (25152).

The spelling of 12125031 in words is "twelve million, one hundred twenty-five thousand, thirty-one".