125740380 has 48 divisors (see below), whose sum is σ = 358725024. Its totient is φ = 32897280.

The previous prime is 125740343. The next prime is 125740427. The reversal of 125740380 is 83047521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16591 + ... + 22950.

It is an arithmetic number, because the mean of its divisors is an integer number (7473438).

Almost surely, 2^125740380 is an apocalyptic number.

125740380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125740380 is an abundant number, since it is smaller than the sum of its proper divisors (232984644).

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

125740380 is a wasteful number, since it uses less digits than its factorization.

125740380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39606 (or 39604 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 125740380 is about 11213.4018031996. The cubic root of 125740380 is about 500.9852306991.

The spelling of 125740380 in words is "one hundred twenty-five million, seven hundred forty thousand, three hundred eighty".