1270556197 has 2 divisors, whose sum is σ = 1270556198. Its totient is φ = 1270556196.

The previous prime is 1270556153. The next prime is 1270556279. The reversal of 1270556197 is 7916550721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1269568161 + 988036 = 35631^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270556197 - 2¹⁹ = 1270031909 is a prime.

It is a super-2 number, since 2×1270556197² = 3228626099470205618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1270556597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635278098 + 635278099.

It is an arithmetic number, because the mean of its divisors is an integer number (635278099).

Almost surely, 2^1270556197 is an apocalyptic number.

It is an amenable number.

1270556197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270556197 is an equidigital number, since it uses as much as digits as its factorization.

1270556197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 43.

The square root of 1270556197 is about 35644.8621402861. The cubic root of 1270556197 is about 1083.0901999437.

The spelling of 1270556197 in words is "one billion, two hundred seventy million, five hundred fifty-six thousand, one hundred ninety-seven".