1170266249 has 2 divisors, whose sum is σ = 1170266250. Its totient is φ = 1170266248.

The previous prime is 1170266191. The next prime is 1170266291. The reversal of 1170266249 is 9426620711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 788767225 + 381499024 = 28085^2 + 19532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1170266249 - 2¹² = 1170262153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170266549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585133124 + 585133125.

It is an arithmetic number, because the mean of its divisors is an integer number (585133125).

Almost surely, 2^1170266249 is an apocalyptic number.

It is an amenable number.

1170266249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170266249 is an equidigital number, since it uses as much as digits as its factorization.

1170266249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1170266249 is about 34209.1544619273. The cubic root of 1170266249 is about 1053.8081669078.

The spelling of 1170266249 in words is "one billion, one hundred seventy million, two hundred sixty-six thousand, two hundred forty-nine".