125222544 has 160 divisors (see below), whose sum is σ = 388368000. Its totient is φ = 38619648.

The previous prime is 125222477. The next prime is 125222593. The reversal of 125222544 is 445222521.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2122387 + ... + 2122445.

It is an arithmetic number, because the mean of its divisors is an integer number (2427300).

Almost surely, 2^125222544 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 125222544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194184000).

125222544 is an abundant number, since it is smaller than the sum of its proper divisors (263145456).

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

125222544 is an equidigital number, since it uses as much as digits as its factorization.

125222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 81 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 125222544 is about 11190.2879319524. The cubic root of 125222544 is about 500.2965494154.

The spelling of 125222544 in words is "one hundred twenty-five million, two hundred twenty-two thousand, five hundred forty-four".