1197313227 has 24 divisors (see below), whose sum is σ = 1951737840. Its totient is φ = 700620480.

The previous prime is 1197313219. The next prime is 1197313261. The reversal of 1197313227 is 7223137911.

It is a happy number.

1197313227 is a `hidden beast` number, since 119 + 7 + 313 + 227 = 666.

It is not a de Polignac number, because 1197313227 - 2³ = 1197313219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1197313191 and 1197313200.

It is not an unprimeable number, because it can be changed into a prime (1197313207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205648 + ... + 211389.

It is an arithmetic number, because the mean of its divisors is an integer number (81322410).

Almost surely, 2^1197313227 is an apocalyptic number.

1197313227 is a deficient number, since it is larger than the sum of its proper divisors (754424613).

1197313227 is a wasteful number, since it uses less digits than its factorization.

1197313227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417083 (or 417080 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 1197313227 is about 34602.2141921583. The cubic root of 1197313227 is about 1061.8648869998.

It can be divided in two parts, 11973 and 13227, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 1197313227 in words is "one billion, one hundred ninety-seven million, three hundred thirteen thousand, two hundred twenty-seven".