1270445213 has 2 divisors, whose sum is σ = 1270445214. Its totient is φ = 1270445212.

The previous prime is 1270445201. The next prime is 1270445219. The reversal of 1270445213 is 3125440721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1269283129 + 1162084 = 35627^2 + 1078^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270445213 - 2¹⁸ = 1270183069 is a prime.

It is a super-2 number, since 2×1270445213² = 3228062078469230738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1270445219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635222606 + 635222607.

It is an arithmetic number, because the mean of its divisors is an integer number (635222607).

Almost surely, 2^1270445213 is an apocalyptic number.

It is an amenable number.

1270445213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270445213 is an equidigital number, since it uses as much as digits as its factorization.

1270445213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1270445213 is about 35643.3053040820. The cubic root of 1270445213 is about 1083.0586627888.

Adding to 1270445213 its reverse (3125440721), we get a palindrome (4395885934).

The spelling of 1270445213 in words is "one billion, two hundred seventy million, four hundred forty-five thousand, two hundred thirteen".