125278596 has 96 divisors (see below), whose sum is σ = 337841280. Its totient is φ = 40113792.

The previous prime is 125278589. The next prime is 125278597. The reversal of 125278596 is 695872521.

125278596 is a `hidden beast` number, since 1 + 2 + 52 + 7 + 8 + 596 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (302400) is a multiple of the sum of its prime factors (450).

It is not an unprimeable number, because it can be changed into a prime (125278597) 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, 427426 + ... + 427718.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 2^125278596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125278596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168920640).

125278596 is an abundant number, since it is smaller than the sum of its proper divisors (212562684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125278596 is a wasteful number, since it uses less digits than its factorization.

125278596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 442 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 125278596 is about 11192.7921449476. The cubic root of 125278596 is about 500.3711857075.

The spelling of 125278596 in words is "one hundred twenty-five million, two hundred seventy-eight thousand, five hundred ninety-six".