125539284 has 72 divisors (see below), whose sum is σ = 320803392. Its totient is φ = 38188800.

The previous prime is 125539283. The next prime is 125539301. The reversal of 125539284 is 482935521.

It is a super-2 number, since 2×125539284² = 31520223654465312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125539283) 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 23 ways as a sum of consecutive naturals, for example, 208584 + ... + 209184.

Almost surely, 2^125539284 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 125539284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160401696).

125539284 is an abundant number, since it is smaller than the sum of its proper divisors (195264108).

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

125539284 is a wasteful number, since it uses less digits than its factorization.

125539284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 722 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 125539284 is about 11204.4314447454. The cubic root of 125539284 is about 500.7180137523.

The spelling of 125539284 in words is "one hundred twenty-five million, five hundred thirty-nine thousand, two hundred eighty-four".