125142404287 has 2 divisors, whose sum is σ = 125142404288. Its totient is φ = 125142404286.

The previous prime is 125142404197. The next prime is 125142404311. The reversal of 125142404287 is 782404241521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125142404287 - 2²⁷ = 125008186559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125142404087) 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, 62571202143 + 62571202144.

It is an arithmetic number, because the mean of its divisors is an integer number (62571202144).

Almost surely, 2^125142404287 is an apocalyptic number.

125142404287 is a deficient number, since it is larger than the sum of its proper divisors (1).

125142404287 is an equidigital number, since it uses as much as digits as its factorization.

125142404287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 143360, while the sum is 40.

The spelling of 125142404287 in words is "one hundred twenty-five billion, one hundred forty-two million, four hundred four thousand, two hundred eighty-seven".