1270526449 has 2 divisors, whose sum is σ = 1270526450. Its totient is φ = 1270526448.

The previous prime is 1270526393. The next prime is 1270526459. The reversal of 1270526449 is 9446250721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 826160049 + 444366400 = 28743^2 + 21080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270526449 - 2¹³ = 1270518257 is a prime.

It is a super-2 number, since 2×1270526449² = 3228474915217099202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270526459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635263224 + 635263225.

It is an arithmetic number, because the mean of its divisors is an integer number (635263225).

Almost surely, 2^1270526449 is an apocalyptic number.

It is an amenable number.

1270526449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270526449 is an equidigital number, since it uses as much as digits as its factorization.

1270526449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1270526449 is about 35644.4448547035. Note that the first 3 decimals coincide. The cubic root of 1270526449 is about 1083.0817469479.

The spelling of 1270526449 in words is "one billion, two hundred seventy million, five hundred twenty-six thousand, four hundred forty-nine".