1270620049 has 2 divisors, whose sum is σ = 1270620050. Its totient is φ = 1270620048.

The previous prime is 1270620019. The next prime is 1270620059. The reversal of 1270620049 is 9400260721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721889424 + 548730625 = 26868^2 + 23425^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270620049 - 2⁵ = 1270620017 is a prime.

It is a super-2 number, since 2×1270620049² = 3228950617841524802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1270620049.

It is not a weakly prime, because it can be changed into another prime (1270620019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635310024 + 635310025.

It is an arithmetic number, because the mean of its divisors is an integer number (635310025).

Almost surely, 2^1270620049 is an apocalyptic number.

It is an amenable number.

1270620049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270620049 is an equidigital number, since it uses as much as digits as its factorization.

1270620049 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1270620049 is about 35645.7577980887. The cubic root of 1270620049 is about 1083.1083432621.

The spelling of 1270620049 in words is "one billion, two hundred seventy million, six hundred twenty thousand, forty-nine".