125457822 has 80 divisors (see below), whose sum is σ = 323215200. Its totient is φ = 35629632.

The previous prime is 125457791. The next prime is 125457823. The reversal of 125457822 is 228754521.

It is a happy number.

125457822 is a `hidden beast` number, since 12 + 54 + 578 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125457823) 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 39 ways as a sum of consecutive naturals, for example, 359304 + ... + 359652.

It is an arithmetic number, because the mean of its divisors is an integer number (4040190).

Almost surely, 2^125457822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125457822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161607600).

125457822 is an abundant number, since it is smaller than the sum of its proper divisors (197757378).

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

125457822 is a wasteful number, since it uses less digits than its factorization.

125457822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 678 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 125457822 is about 11200.7955967422. The cubic root of 125457822 is about 500.6096855981.

The spelling of 125457822 in words is "one hundred twenty-five million, four hundred fifty-seven thousand, eight hundred twenty-two".