1247131003697 has 2 divisors, whose sum is σ = 1247131003698. Its totient is φ = 1247131003696.

The previous prime is 1247131003681. The next prime is 1247131003751. The reversal of 1247131003697 is 7963001317421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1055419256896 + 191711746801 = 1027336^2 + 437849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1247131003697 - 2⁴ = 1247131003681 is a prime.

It is a super-3 number, since 3×1247131003697³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1247131002697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623565501848 + 623565501849.

It is an arithmetic number, because the mean of its divisors is an integer number (623565501849).

Almost surely, 2^{1247131003697} is an apocalyptic number.

It is an amenable number.

1247131003697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1247131003697 is an equidigital number, since it uses as much as digits as its factorization.

1247131003697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 1247131003697 in words is "one trillion, two hundred forty-seven billion, one hundred thirty-one million, three thousand, six hundred ninety-seven".