125780359 has 2 divisors, whose sum is σ = 125780360. Its totient is φ = 125780358.

The previous prime is 125780351. The next prime is 125780371. The reversal of 125780359 is 953087521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125780359 - 2³ = 125780351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125780351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62890179 + 62890180.

It is an arithmetic number, because the mean of its divisors is an integer number (62890180).

Almost surely, 2^125780359 is an apocalyptic number.

125780359 is a deficient number, since it is larger than the sum of its proper divisors (1).

125780359 is an equidigital number, since it uses as much as digits as its factorization.

125780359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 125780359 is about 11215.1843052176. The cubic root of 125780359 is about 501.0383209533.

The spelling of 125780359 in words is "one hundred twenty-five million, seven hundred eighty thousand, three hundred fifty-nine".