125430040 has 32 divisors (see below), whose sum is σ = 294490080. Its totient is φ = 47990272.

The previous prime is 125430031. The next prime is 125430043. The reversal of 125430040 is 40034521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125430043) 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, 67249 + ... + 69088.

It is an arithmetic number, because the mean of its divisors is an integer number (9202815).

Almost surely, 2^125430040 is an apocalyptic number.

125430040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125430040 is an abundant number, since it is smaller than the sum of its proper divisors (169060040).

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

125430040 is a wasteful number, since it uses less digits than its factorization.

125430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136371 (or 136367 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 125430040 is about 11199.5553483163. Note that the first 3 decimals coincide. The cubic root of 125430040 is about 500.5727303760.

Adding to 125430040 its reverse (40034521), we get a palindrome (165464561).

The spelling of 125430040 in words is "one hundred twenty-five million, four hundred thirty thousand, forty".