125512134 has 16 divisors (see below), whose sum is σ = 273844800. Its totient is φ = 38033960.

The previous prime is 125512091. The next prime is 125512147. The reversal of 125512134 is 431215521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950784 + ... + 950915.

It is an arithmetic number, because the mean of its divisors is an integer number (17115300).

Almost surely, 2^125512134 is an apocalyptic number.

125512134 is an abundant number, since it is smaller than the sum of its proper divisors (148332666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125512134 is a wasteful number, since it uses less digits than its factorization.

125512134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901715.

The product of its digits is 1200, while the sum is 24.

The square root of 125512134 is about 11203.2198050382. The cubic root of 125512134 is about 500.6819148947.

Adding to 125512134 its reverse (431215521), we get a palindrome (556727655).

The spelling of 125512134 in words is "one hundred twenty-five million, five hundred twelve thousand, one hundred thirty-four".