125194729 has 8 divisors (see below), whose sum is σ = 136769760. Its totient is φ = 113652000.

The previous prime is 125194687. The next prime is 125194733. The reversal of 125194729 is 927491521.

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 125194729 - 2⁹ = 125194217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125194691 and 125194700.

It is not an unprimeable number, because it can be changed into a prime (125194739) 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, 429 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (17096220).

Almost surely, 2^125194729 is an apocalyptic number.

It is an amenable number.

125194729 is a deficient number, since it is larger than the sum of its proper divisors (11575031).

125194729 is a wasteful number, since it uses less digits than its factorization.

125194729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151.

The product of its digits is 45360, while the sum is 40.

The square root of 125194729 is about 11189.0450441492. The cubic root of 125194729 is about 500.2595039588.

The spelling of 125194729 in words is "one hundred twenty-five million, one hundred ninety-four thousand, seven hundred twenty-nine".