125240730 has 16 divisors (see below), whose sum is σ = 300577824. Its totient is φ = 33397520.

The previous prime is 125240729. The next prime is 125240741. The reversal of 125240730 is 37042521.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125240730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087316 + ... + 2087375.

It is an arithmetic number, because the mean of its divisors is an integer number (18786114).

Almost surely, 2^125240730 is an apocalyptic number.

125240730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125240730 is an abundant number, since it is smaller than the sum of its proper divisors (175337094).

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

125240730 is a wasteful number, since it uses less digits than its factorization.

125240730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174701.

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

The square root of 125240730 is about 11191.1004820795. The cubic root of 125240730 is about 500.3207675057.

The spelling of 125240730 in words is "one hundred twenty-five million, two hundred forty thousand, seven hundred thirty".