1171125221027 has 4 divisors (see below), whose sum is σ = 1171139800056. Its totient is φ = 1171110642000.

The previous prime is 1171125221023. The next prime is 1171125221081. The reversal of 1171125221027 is 7201225211711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1171125221027 - 2² = 1171125221023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1171125220984 and 1171125221002.

It is not an unprimeable number, because it can be changed into a prime (1171125221023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7168349 + ... + 7329902.

It is an arithmetic number, because the mean of its divisors is an integer number (292784950014).

Almost surely, 2^{1171125221027} is an apocalyptic number.

1171125221027 is a deficient number, since it is larger than the sum of its proper divisors (14579029).

1171125221027 is an equidigital number, since it uses as much as digits as its factorization.

1171125221027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579028.

The product of its (nonzero) digits is 3920, while the sum is 32.

The spelling of 1171125221027 in words is "one trillion, one hundred seventy-one billion, one hundred twenty-five million, two hundred twenty-one thousand, twenty-seven".