1257083882507 has 4 divisors (see below), whose sum is σ = 1257086980680. Its totient is φ = 1257080784336.

The previous prime is 1257083882503. The next prime is 1257083882573. The reversal of 1257083882507 is 7052883807521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1257083882507 - 2² = 1257083882503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1257083882501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828833 + ... + 1789170.

It is an arithmetic number, because the mean of its divisors is an integer number (314271745170).

Almost surely, 2^{1257083882507} is an apocalyptic number.

1257083882507 is a deficient number, since it is larger than the sum of its proper divisors (3098173).

1257083882507 is an equidigital number, since it uses as much as digits as its factorization.

1257083882507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098172.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 1257083882507 in words is "one trillion, two hundred fifty-seven billion, eighty-three million, eight hundred eighty-two thousand, five hundred seven".