1297711076 has 12 divisors (see below), whose sum is σ = 2271932208. Its totient is φ = 648587592.

The previous prime is 1297711067. The next prime is 1297711081. The reversal of 1297711076 is 6701177921.

It is an unprimeable number.

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, 55886 + ... + 75621.

It is an arithmetic number, because the mean of its divisors is an integer number (189327684).

Almost surely, 2^1297711076 is an apocalyptic number.

It is an amenable number.

1297711076 is a deficient number, since it is larger than the sum of its proper divisors (974221132).

1297711076 is a wasteful number, since it uses less digits than its factorization.

1297711076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133978 (or 133976 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 41.

The square root of 1297711076 is about 36023.7571055547. The cubic root of 1297711076 is about 1090.7519643554.

Adding to 1297711076 its reverse (6701177921), we get a palindrome (7998888997).

The spelling of 1297711076 in words is "one billion, two hundred ninety-seven million, seven hundred eleven thousand, seventy-six".