125340287 has 2 divisors, whose sum is σ = 125340288. Its totient is φ = 125340286.

The previous prime is 125340251. The next prime is 125340323. The reversal of 125340287 is 782043521.

It is a balanced prime because it is at equal distance from previous prime (125340251) and next prime (125340323).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125340287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125340247) by changing a digit.

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 as a sum of consecutive naturals, namely, 62670143 + 62670144.

It is an arithmetic number, because the mean of its divisors is an integer number (62670144).

Almost surely, 2^125340287 is an apocalyptic number.

125340287 is a deficient number, since it is larger than the sum of its proper divisors (1).

125340287 is an equidigital number, since it uses as much as digits as its factorization.

125340287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 125340287 is about 11195.5476418083. The cubic root of 125340287 is about 500.4533049051.

The spelling of 125340287 in words is "one hundred twenty-five million, three hundred forty thousand, two hundred eighty-seven".