101238125 has 20 divisors (see below), whose sum is σ = 129483552. Its totient is φ = 79086000.

The previous prime is 101238121. The next prime is 101238127. The reversal of 101238125 is 521832101.

It is a happy number.

It is not a de Polignac number, because 101238125 - 2² = 101238121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101238125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101238121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24992 + ... + 28758.

Almost surely, 2^101238125 is an apocalyptic number.

It is an amenable number.

101238125 is a deficient number, since it is larger than the sum of its proper divisors (28245427).

101238125 is an frugal number, since it uses more digits than its factorization.

101238125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830 (or 3815 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 101238125 is about 10061.7158079524. The cubic root of 101238125 is about 466.0666537555.

The spelling of 101238125 in words is "one hundred one million, two hundred thirty-eight thousand, one hundred twenty-five".