125310122452 has 6 divisors (see below), whose sum is σ = 219292714298. Its totient is φ = 62655061224.

The previous prime is 125310122447. The next prime is 125310122453. The reversal of 125310122452 is 254221013521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 124726223556 + 583898896 = 353166^2 + 24164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125310122452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125310122453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15663765303 + ... + 15663765310.

Almost surely, 2^125310122452 is an apocalyptic number.

It is an amenable number.

125310122452 is a deficient number, since it is larger than the sum of its proper divisors (93982591846).

125310122452 is a wasteful number, since it uses less digits than its factorization.

125310122452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31327530617 (or 31327530615 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 125310122452 its reverse (254221013521), we get a palindrome (379531135973).

The spelling of 125310122452 in words is "one hundred twenty-five billion, three hundred ten million, one hundred twenty-two thousand, four hundred fifty-two".