125415605 has 16 divisors (see below), whose sum is σ = 172502784. Its totient is φ = 85747200.

The previous prime is 125415583. The next prime is 125415611. The reversal of 125415605 is 506514521.

It is a happy number.

It is not a de Polignac number, because 125415605 - 2¹⁰ = 125414581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7280 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (10781424).

Almost surely, 2^125415605 is an apocalyptic number.

It is an amenable number.

125415605 is a deficient number, since it is larger than the sum of its proper divisors (47087179).

125415605 is a wasteful number, since it uses less digits than its factorization.

125415605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 125415605 is about 11198.9108845459. The cubic root of 125415605 is about 500.5535269896.

The spelling of 125415605 in words is "one hundred twenty-five million, four hundred fifteen thousand, six hundred five".