1250345143987 has 2 divisors, whose sum is σ = 1250345143988. Its totient is φ = 1250345143986.

The previous prime is 1250345143969. The next prime is 1250345144017. The reversal of 1250345143987 is 7893415430521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1250345143987 - 2¹⁵ = 1250345111219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1250145143987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625172571993 + 625172571994.

It is an arithmetic number, because the mean of its divisors is an integer number (625172571994).

Almost surely, 2^{1250345143987} is an apocalyptic number.

1250345143987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250345143987 is an equidigital number, since it uses as much as digits as its factorization.

1250345143987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 1250345143987 in words is "one trillion, two hundred fifty billion, three hundred forty-five million, one hundred forty-three thousand, nine hundred eighty-seven".