125442425 has 12 divisors (see below), whose sum is σ = 157872336. Its totient is φ = 98854800.

The previous prime is 125442403. The next prime is 125442431. The reversal of 125442425 is 524244521.

It is not a de Polignac number, because 125442425 - 2²⁰ = 124393849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35771 + ... + 39120.

It is an arithmetic number, because the mean of its divisors is an integer number (13156028).

Almost surely, 2^125442425 is an apocalyptic number.

It is an amenable number.

125442425 is a deficient number, since it is larger than the sum of its proper divisors (32429911).

125442425 is an equidigital number, since it uses as much as digits as its factorization.

125442425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74968 (or 74963 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 125442425 is about 11200.1082584054. The cubic root of 125442425 is about 500.5892054013.

Adding to 125442425 its reverse (524244521), we get a palindrome (649686946).

The spelling of 125442425 in words is "one hundred twenty-five million, four hundred forty-two thousand, four hundred twenty-five".