125999488 has 64 divisors (see below), whose sum is σ = 267321600. Its totient is φ = 58987008.

The previous prime is 125999483. The next prime is 125999491. The reversal of 125999488 is 884999521.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125999483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250245 + ... + 250747.

It is an arithmetic number, because the mean of its divisors is an integer number (4176900).

Almost surely, 2^125999488 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 125999488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133660800).

125999488 is an abundant number, since it is smaller than the sum of its proper divisors (141322112).

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

125999488 is a wasteful number, since it uses less digits than its factorization.

125999488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 627 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 55.

The square root of 125999488 is about 11224.9493540060. The cubic root of 125999488 is about 501.3291144457.

The spelling of 125999488 in words is "one hundred twenty-five million, nine hundred ninety-nine thousand, four hundred eighty-eight".