1297653119 has 16 divisors (see below), whose sum is σ = 1516728576. Its totient is φ = 1087257600.

The previous prime is 1297653109. The next prime is 1297653167. The reversal of 1297653119 is 9113567921.

It is a cyclic number.

It is not a de Polignac number, because 1297653119 - 2⁴ = 1297653103 is a prime.

It is a super-2 number, since 2×1297653119² = 3367807234500856322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1297653119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297653109) 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 15 ways as a sum of consecutive naturals, for example, 50879 + ... + 71999.

It is an arithmetic number, because the mean of its divisors is an integer number (94795536).

Almost surely, 2^1297653119 is an apocalyptic number.

1297653119 is a deficient number, since it is larger than the sum of its proper divisors (219075457).

1297653119 is a wasteful number, since it uses less digits than its factorization.

1297653119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21326.

The product of its digits is 102060, while the sum is 44.

The square root of 1297653119 is about 36022.9526690970. The cubic root of 1297653119 is about 1090.7357261100.

The spelling of 1297653119 in words is "one billion, two hundred ninety-seven million, six hundred fifty-three thousand, one hundred nineteen".