125425101 has 16 divisors (see below), whose sum is σ = 174225920. Its totient is φ = 80170560.

The previous prime is 125425081. The next prime is 125425117. The reversal of 125425101 is 101524521.

It is not a de Polignac number, because 125425101 - 2⁶ = 125425037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125425151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3951 + ... + 16323.

It is an arithmetic number, because the mean of its divisors is an integer number (10889120).

Almost surely, 2^125425101 is an apocalyptic number.

It is an amenable number.

125425101 is a deficient number, since it is larger than the sum of its proper divisors (48800819).

125425101 is a wasteful number, since it uses less digits than its factorization.

125425101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12516.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 125425101 is about 11199.3348463201. The cubic root of 125425101 is about 500.5661600170.

Adding to 125425101 its reverse (101524521), we get a palindrome (226949622).

The spelling of 125425101 in words is "one hundred twenty-five million, four hundred twenty-five thousand, one hundred one".