1170555427 has 2 divisors, whose sum is σ = 1170555428. Its totient is φ = 1170555426.

The previous prime is 1170555409. The next prime is 1170555431. The reversal of 1170555427 is 7245550711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1170555427 - 2⁷ = 1170555299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170555527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585277713 + 585277714.

It is an arithmetic number, because the mean of its divisors is an integer number (585277714).

Almost surely, 2^1170555427 is an apocalyptic number.

1170555427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170555427 is an equidigital number, since it uses as much as digits as its factorization.

1170555427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 1170555427 is about 34213.3808180367. The cubic root of 1170555427 is about 1053.8949599890.

The spelling of 1170555427 in words is "one billion, one hundred seventy million, five hundred fifty-five thousand, four hundred twenty-seven".