125406495 has 64 divisors (see below), whose sum is σ = 231436800. Its totient is φ = 64385280.

The previous prime is 125406473. The next prime is 125406497. The reversal of 125406495 is 594604521.

125406495 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 0 + 649 + 5 = 666.

It is not a de Polignac number, because 125406495 - 2⁹ = 125405983 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125406497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 769284 + ... + 769446.

It is an arithmetic number, because the mean of its divisors is an integer number (3616200).

Almost surely, 2^125406495 is an apocalyptic number.

125406495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125406495 is a deficient number, since it is larger than the sum of its proper divisors (106030305).

125406495 is a wasteful number, since it uses less digits than its factorization.

125406495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 125406495 is about 11198.5041411789. The cubic root of 125406495 is about 500.5414068789.

The spelling of 125406495 in words is "one hundred twenty-five million, four hundred six thousand, four hundred ninety-five".