1278953083 has 2 divisors, whose sum is σ = 1278953084. Its totient is φ = 1278953082.

The previous prime is 1278953029. The next prime is 1278953167. The reversal of 1278953083 is 3803598721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1278953083 - 2²⁹ = 742082171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1278953003) 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, 639476541 + 639476542.

It is an arithmetic number, because the mean of its divisors is an integer number (639476542).

Almost surely, 2^1278953083 is an apocalyptic number.

1278953083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1278953083 is an equidigital number, since it uses as much as digits as its factorization.

1278953083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 1278953083 is about 35762.4535371946. The cubic root of 1278953083 is about 1085.4709481937.

The spelling of 1278953083 in words is "one billion, two hundred seventy-eight million, nine hundred fifty-three thousand, eighty-three".