1170249251 has 2 divisors, whose sum is σ = 1170249252. Its totient is φ = 1170249250.

The previous prime is 1170249239. The next prime is 1170249253. The reversal of 1170249251 is 1529420711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1170249251 - 2⁶ = 1170249187 is a prime.

It is a super-2 number, since 2×1170249251² = 2738966618932122002, which contains 22 as substring.

Together with 1170249253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1170249253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585124625 + 585124626.

It is an arithmetic number, because the mean of its divisors is an integer number (585124626).

Almost surely, 2^1170249251 is an apocalyptic number.

1170249251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170249251 is an equidigital number, since it uses as much as digits as its factorization.

1170249251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1170249251 is about 34208.9060187548. The cubic root of 1170249251 is about 1053.8030647304.

Adding to 1170249251 its reverse (1529420711), we get a palindrome (2699669962).

The spelling of 1170249251 in words is "one billion, one hundred seventy million, two hundred forty-nine thousand, two hundred fifty-one".