125404455 has 32 divisors (see below), whose sum is σ = 225957888. Its totient is φ = 58838400.

The previous prime is 125404453. The next prime is 125404459. The reversal of 125404455 is 554404521.

It is not a de Polignac number, because 125404455 - 2¹ = 125404453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125404453) 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, 7144 + ... + 17373.

It is an arithmetic number, because the mean of its divisors is an integer number (7061184).

Almost surely, 2^125404455 is an apocalyptic number.

125404455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125404455 is a deficient number, since it is larger than the sum of its proper divisors (100553433).

125404455 is a wasteful number, since it uses less digits than its factorization.

125404455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24567.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 125404455 is about 11198.4130572148. The cubic root of 125404455 is about 500.5386927452.

Adding to 125404455 its reverse (554404521), we get a palindrome (679808976).

The spelling of 125404455 in words is "one hundred twenty-five million, four hundred four thousand, four hundred fifty-five".