1427105291 has 2 divisors, whose sum is σ = 1427105292. Its totient is φ = 1427105290.

The previous prime is 1427105221. The next prime is 1427105353. The reversal of 1427105291 is 1925017241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1427105291 - 2¹⁰ = 1427104267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427105221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713552645 + 713552646.

It is an arithmetic number, because the mean of its divisors is an integer number (713552646).

Almost surely, 2^1427105291 is an apocalyptic number.

1427105291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427105291 is an equidigital number, since it uses as much as digits as its factorization.

1427105291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1427105291 is about 37777.0471450589. The cubic root of 1427105291 is about 1125.8624605510.

The spelling of 1427105291 in words is "one billion, four hundred twenty-seven million, one hundred five thousand, two hundred ninety-one".