125211412 has 6 divisors (see below), whose sum is σ = 219119978. Its totient is φ = 62605704.

The previous prime is 125211403. The next prime is 125211413. The reversal of 125211412 is 214112521.

It can be written as a sum of positive squares in only one way, i.e., 123965956 + 1245456 = 11134^2 + 1116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125211412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125211413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651423 + ... + 15651430.

Almost surely, 2^125211412 is an apocalyptic number.

It is an amenable number.

125211412 is a deficient number, since it is larger than the sum of its proper divisors (93908566).

125211412 is a wasteful number, since it uses less digits than its factorization.

125211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31302857 (or 31302855 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 125211412 is about 11189.7905252958. The cubic root of 125211412 is about 500.2817239001.

Adding to 125211412 its reverse (214112521), we get a palindrome (339323933).

The spelling of 125211412 in words is "one hundred twenty-five million, two hundred eleven thousand, four hundred twelve".