1171201027 has 2 divisors, whose sum is σ = 1171201028. Its totient is φ = 1171201026.

The previous prime is 1171201013. The next prime is 1171201061. The reversal of 1171201027 is 7201021711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1171201027 - 2¹⁹ = 1170676739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1171200989 and 1171201007.

It is not a weakly prime, because it can be changed into another prime (1171201127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585600513 + 585600514.

It is an arithmetic number, because the mean of its divisors is an integer number (585600514).

Almost surely, 2^1171201027 is an apocalyptic number.

1171201027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171201027 is an equidigital number, since it uses as much as digits as its factorization.

1171201027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 22.

The square root of 1171201027 is about 34222.8144225457. The cubic root of 1171201027 is about 1054.0886770121.

Adding to 1171201027 its reverse (7201021711), we get a palindrome (8372222738).

The spelling of 1171201027 in words is "one billion, one hundred seventy-one million, two hundred one thousand, twenty-seven".