125005755 has 32 divisors (see below), whose sum is σ = 230068224. Its totient is φ = 56774016.

The previous prime is 125005753. The next prime is 125005763. The reversal of 125005755 is 557500521.

It is not a de Polignac number, because 125005755 - 2¹ = 125005753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125005753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12694 + ... + 20276.

It is an arithmetic number, because the mean of its divisors is an integer number (7189632).

Almost surely, 2^125005755 is an apocalyptic number.

125005755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125005755 is a deficient number, since it is larger than the sum of its proper divisors (105062469).

125005755 is a wasteful number, since it uses less digits than its factorization.

125005755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 125005755 is about 11180.5972559609. The cubic root of 125005755 is about 500.0076732156.

The spelling of 125005755 in words is "one hundred twenty-five million, five thousand, seven hundred fifty-five".