1273274131 has 2 divisors, whose sum is σ = 1273274132. Its totient is φ = 1273274130.

The previous prime is 1273274111. The next prime is 1273274137. The reversal of 1273274131 is 1314723721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1273274131 - 2¹⁵ = 1273241363 is a prime.

It is a super-2 number, since 2×1273274131² = 3242454025347610322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1273274093 and 1273274102.

It is not a weakly prime, because it can be changed into another prime (1273274137) 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, 636637065 + 636637066.

It is an arithmetic number, because the mean of its divisors is an integer number (636637066).

Almost surely, 2^1273274131 is an apocalyptic number.

1273274131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273274131 is an equidigital number, since it uses as much as digits as its factorization.

1273274131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 1273274131 is about 35682.9669590408. The cubic root of 1273274131 is about 1083.8619541055.

Adding to 1273274131 its reverse (1314723721), we get a palindrome (2587997852).

The spelling of 1273274131 in words is "one billion, two hundred seventy-three million, two hundred seventy-four thousand, one hundred thirty-one".