1197374271 has 4 divisors (see below), whose sum is σ = 1596499032. Its totient is φ = 798249512.

The previous prime is 1197374267. The next prime is 1197374309. The reversal of 1197374271 is 1724737911.

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 1197374271 - 2² = 1197374267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197374221) 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, 199562376 + ... + 199562381.

It is an arithmetic number, because the mean of its divisors is an integer number (399124758).

Almost surely, 2^1197374271 is an apocalyptic number.

1197374271 is a deficient number, since it is larger than the sum of its proper divisors (399124761).

1197374271 is an equidigital number, since it uses as much as digits as its factorization.

1197374271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399124760.

The product of its digits is 74088, while the sum is 42.

The square root of 1197374271 is about 34603.0962631959. The cubic root of 1197374271 is about 1061.8829327869.

The spelling of 1197374271 in words is "one billion, one hundred ninety-seven million, three hundred seventy-four thousand, two hundred seventy-one".