127100794531 has 2 divisors, whose sum is σ = 127100794532. Its totient is φ = 127100794530.

The previous prime is 127100794411. The next prime is 127100794553. The reversal of 127100794531 is 135497001721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127100794531 - 2²¹ = 127098697379 is a prime.

It is a super-2 number, since 2×127100794531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127100794571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63550397265 + 63550397266.

It is an arithmetic number, because the mean of its divisors is an integer number (63550397266).

Almost surely, 2^127100794531 is an apocalyptic number.

127100794531 is a deficient number, since it is larger than the sum of its proper divisors (1).

127100794531 is an equidigital number, since it uses as much as digits as its factorization.

127100794531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 127100794531 in words is "one hundred twenty-seven billion, one hundred million, seven hundred ninety-four thousand, five hundred thirty-one".