125103212 has 12 divisors (see below), whose sum is σ = 235771536. Its totient is φ = 57739920.

The previous prime is 125103203. The next prime is 125103217. The reversal of 125103212 is 212301521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125103217) 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, 1202864 + ... + 1202967.

It is an arithmetic number, because the mean of its divisors is an integer number (19647628).

Almost surely, 2^125103212 is an apocalyptic number.

It is an amenable number.

125103212 is a deficient number, since it is larger than the sum of its proper divisors (110668324).

125103212 is a wasteful number, since it uses less digits than its factorization.

125103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405848 (or 2405846 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 125103212 is about 11184.9547160460. The cubic root of 125103212 is about 500.1375781410.

Adding to 125103212 its reverse (212301521), we get a palindrome (337404733).

The spelling of 125103212 in words is "one hundred twenty-five million, one hundred three thousand, two hundred twelve".