125535505 has 16 divisors (see below), whose sum is σ = 152273664. Its totient is φ = 99348480.

The previous prime is 125535493. The next prime is 125535551. The reversal of 125535505 is 505535521.

It is a happy number.

It is not a de Polignac number, because 125535505 - 2⁹ = 125534993 is a prime.

It is a Duffinian 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, 270904 + ... + 271366.

It is an arithmetic number, because the mean of its divisors is an integer number (9517104).

Almost surely, 2^125535505 is an apocalyptic number.

It is an amenable number.

125535505 is a deficient number, since it is larger than the sum of its proper divisors (26738159).

125535505 is a wasteful number, since it uses less digits than its factorization.

125535505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 125535505 is about 11204.2628048435. The cubic root of 125535505 is about 500.7129894754.

The spelling of 125535505 in words is "one hundred twenty-five million, five hundred thirty-five thousand, five hundred five".