125144568 has 64 divisors (see below), whose sum is σ = 350244000. Its totient is φ = 41400576.

The previous prime is 125144521. The next prime is 125144573. The reversal of 125144568 is 865441521.

It is a happy number.

125144568 is a `hidden beast` number, since 1 + 2 + 51 + 44 + 568 = 666.

It is a super-2 number, since 2×125144568² = 31322325799813248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27478 + ... + 31706.

Almost surely, 2^125144568 is an apocalyptic number.

125144568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125144568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175122000).

125144568 is an abundant number, since it is smaller than the sum of its proper divisors (225099432).

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

125144568 is a wasteful number, since it uses less digits than its factorization.

125144568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381 (or 4371 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 125144568 is about 11186.8032967421. The cubic root of 125144568 is about 500.1926830703.

The spelling of 125144568 in words is "one hundred twenty-five million, one hundred forty-four thousand, five hundred sixty-eight".