125020134 has 48 divisors (see below), whose sum is σ = 283855104. Its totient is φ = 39692400.

The previous prime is 125020127. The next prime is 125020177. The reversal of 125020134 is 431020521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128269 + ... + 129239.

It is an arithmetic number, because the mean of its divisors is an integer number (5913648).

Almost surely, 2^125020134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125020134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141927552).

125020134 is an abundant number, since it is smaller than the sum of its proper divisors (158834970).

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

125020134 is a wasteful number, since it uses less digits than its factorization.

125020134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125020134 is about 11181.2402710969. The cubic root of 125020134 is about 500.0268438921.

Adding to 125020134 its reverse (431020521), we get a palindrome (556040655).

The spelling of 125020134 in words is "one hundred twenty-five million, twenty thousand, one hundred thirty-four".