125111613 has 8 divisors (see below), whose sum is σ = 181980576. Its totient is φ = 75825200.

The previous prime is 125111593. The next prime is 125111621. The reversal of 125111613 is 316111521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125111613 - 2¹² = 125107517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125111613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125111633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1895598 + ... + 1895663.

It is an arithmetic number, because the mean of its divisors is an integer number (22747572).

Almost surely, 2^125111613 is an apocalyptic number.

It is an amenable number.

125111613 is a deficient number, since it is larger than the sum of its proper divisors (56868963).

125111613 is a wasteful number, since it uses less digits than its factorization.

125111613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791275.

The product of its digits is 180, while the sum is 21.

The square root of 125111613 is about 11185.3302588703. The cubic root of 125111613 is about 500.1487730621.

The spelling of 125111613 in words is "one hundred twenty-five million, one hundred eleven thousand, six hundred thirteen".