125283751 has 2 divisors, whose sum is σ = 125283752. Its totient is φ = 125283750.

The previous prime is 125283749. The next prime is 125283757. The reversal of 125283751 is 157382521.

It is a weak prime.

It is an emirp because it is prime and its reverse (157382521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125283751 - 2¹ = 125283749 is a prime.

Together with 125283749, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125283757) 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, 62641875 + 62641876.

It is an arithmetic number, because the mean of its divisors is an integer number (62641876).

Almost surely, 2^125283751 is an apocalyptic number.

125283751 is a deficient number, since it is larger than the sum of its proper divisors (1).

125283751 is an equidigital number, since it uses as much as digits as its factorization.

125283751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The square root of 125283751 is about 11193.0224247073. The cubic root of 125283751 is about 500.3780487529.

The spelling of 125283751 in words is "one hundred twenty-five million, two hundred eighty-three thousand, seven hundred fifty-one".