125703240 has 128 divisors (see below), whose sum is σ = 427593600. Its totient is φ = 29306880.

The previous prime is 125703199. The next prime is 125703241. The reversal of 125703240 is 42307521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 125703240.

It is not an unprimeable number, because it can be changed into a prime (125703241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27520 + ... + 31760.

It is an arithmetic number, because the mean of its divisors is an integer number (3340575).

Almost surely, 2^125703240 is an apocalyptic number.

125703240 is a gapful number since it is divisible by the number (10) 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 125703240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213796800).

125703240 is an abundant number, since it is smaller than the sum of its proper divisors (301890360).

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

125703240 is a wasteful number, since it uses less digits than its factorization.

125703240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287 (or 4283 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 125703240 is about 11211.7456267969. The cubic root of 125703240 is about 500.9359004211.

The spelling of 125703240 in words is "one hundred twenty-five million, seven hundred three thousand, two hundred forty".