125513452 has 6 divisors (see below), whose sum is σ = 219648548. Its totient is φ = 62756724.

The previous prime is 125513429. The next prime is 125513459. The reversal of 125513452 is 254315521.

It is a self number, because there is not a number n which added to its sum of digits gives 125513452.

It is not an unprimeable number, because it can be changed into a prime (125513459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15689178 + ... + 15689185.

Almost surely, 2^125513452 is an apocalyptic number.

It is an amenable number.

125513452 is a deficient number, since it is larger than the sum of its proper divisors (94135096).

125513452 is a wasteful number, since it uses less digits than its factorization.

125513452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31378367 (or 31378365 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 125513452 is about 11203.2786272591. The cubic root of 125513452 is about 500.6836674383.

Adding to 125513452 its reverse (254315521), we get a palindrome (379828973).

The spelling of 125513452 in words is "one hundred twenty-five million, five hundred thirteen thousand, four hundred fifty-two".