1249876883 has 4 divisors (see below), whose sum is σ = 1250023800. Its totient is φ = 1249729968.

The previous prime is 1249876877. The next prime is 1249876889. The reversal of 1249876883 is 3886789421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3886789421 = 263 ⋅14778667.

It is an interprime number because it is at equal distance from previous prime (1249876877) and next prime (1249876889).

It is a cyclic number.

It is not a de Polignac number, because 1249876883 - 2⁶ = 1249876819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1249876889) 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 in 3 ways as a sum of consecutive naturals, for example, 59858 + ... + 77991.

It is an arithmetic number, because the mean of its divisors is an integer number (312505950).

Almost surely, 2^1249876883 is an apocalyptic number.

1249876883 is a deficient number, since it is larger than the sum of its proper divisors (146917).

1249876883 is an equidigital number, since it uses as much as digits as its factorization.

1249876883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146916.

The product of its digits is 4644864, while the sum is 56.

The square root of 1249876883 is about 35353.5978791410. The cubic root of 1249876883 is about 1077.1819775167.

The spelling of 1249876883 in words is "one billion, two hundred forty-nine million, eight hundred seventy-six thousand, eight hundred eighty-three".