1171374127 has 16 divisors (see below), whose sum is σ = 1461945600. Its totient is φ = 911802240.

The previous prime is 1171374109. The next prime is 1171374143. The reversal of 1171374127 is 7214731711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1171374127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1171374092 and 1171374101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171374427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70999 + ... + 85927.

It is an arithmetic number, because the mean of its divisors is an integer number (91371600).

Almost surely, 2^1171374127 is an apocalyptic number.

1171374127 is a deficient number, since it is larger than the sum of its proper divisors (290571473).

1171374127 is a wasteful number, since it uses less digits than its factorization.

1171374127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15966.

The product of its digits is 8232, while the sum is 34.

The square root of 1171374127 is about 34225.3433437855. The cubic root of 1171374127 is about 1054.1406048358.

The spelling of 1171374127 in words is "one billion, one hundred seventy-one million, three hundred seventy-four thousand, one hundred twenty-seven".