1270434091 has 2 divisors, whose sum is σ = 1270434092. Its totient is φ = 1270434090.

The previous prime is 1270434083. The next prime is 1270434103. The reversal of 1270434091 is 1904340721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1270434091 - 2³ = 1270434083 is a prime.

It is a super-2 number, since 2×1270434091² = 3228005559149992562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270434391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635217045 + 635217046.

It is an arithmetic number, because the mean of its divisors is an integer number (635217046).

Almost surely, 2^1270434091 is an apocalyptic number.

1270434091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270434091 is an equidigital number, since it uses as much as digits as its factorization.

1270434091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1270434091 is about 35643.1492856622. The cubic root of 1270434091 is about 1083.0555022659.

The spelling of 1270434091 in words is "one billion, two hundred seventy million, four hundred thirty-four thousand, ninety-one".