125454125 has 16 divisors (see below), whose sum is σ = 159143088. Its totient is φ = 98712000.

The previous prime is 125454097. The next prime is 125454149. The reversal of 125454125 is 521454521.

It can be written as a sum of positive squares in 8 ways, for example, as 46635241 + 78818884 = 6829^2 + 8878^2 .

It is not a de Polignac number, because 125454125 - 2¹² = 125450029 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 602 + ... + 15851.

It is an arithmetic number, because the mean of its divisors is an integer number (9946443).

Almost surely, 2^125454125 is an apocalyptic number.

It is an amenable number.

125454125 is a deficient number, since it is larger than the sum of its proper divisors (33688963).

125454125 is an equidigital number, since it uses as much as digits as its factorization.

125454125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16529 (or 16519 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 125454125 is about 11200.6305626067. The cubic root of 125454125 is about 500.6047682159.

The spelling of 125454125 in words is "one hundred twenty-five million, four hundred fifty-four thousand, one hundred twenty-five".