125780351 has 2 divisors, whose sum is σ = 125780352. Its totient is φ = 125780350.

The previous prime is 125780329. The next prime is 125780359. The reversal of 125780351 is 153087521.

It is a strong prime.

It is an emirp because it is prime and its reverse (153087521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125780351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125780359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62890175 + 62890176.

It is an arithmetic number, because the mean of its divisors is an integer number (62890176).

Almost surely, 2^125780351 is an apocalyptic number.

125780351 is a deficient number, since it is larger than the sum of its proper divisors (1).

125780351 is an equidigital number, since it uses as much as digits as its factorization.

125780351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 125780351 is about 11215.1839485583. The cubic root of 125780351 is about 501.0383103308.

The spelling of 125780351 in words is "one hundred twenty-five million, seven hundred eighty thousand, three hundred fifty-one".