1270929239401 has 2 divisors, whose sum is σ = 1270929239402. Its totient is φ = 1270929239400.

The previous prime is 1270929239323. The next prime is 1270929239441. The reversal of 1270929239401 is 1049329290721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078689960000 + 192239279401 = 1038600^2 + 438451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270929239401 - 2⁹ = 1270929238889 is a prime.

It is a super-2 number, since 2×1270929239401² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270929239441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635464619700 + 635464619701.

It is an arithmetic number, because the mean of its divisors is an integer number (635464619701).

Almost surely, 2^{1270929239401} is an apocalyptic number.

It is an amenable number.

1270929239401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270929239401 is an equidigital number, since it uses as much as digits as its factorization.

1270929239401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 1270929239401 in words is "one trillion, two hundred seventy billion, nine hundred twenty-nine million, two hundred thirty-nine thousand, four hundred one".