1197671426 has 48 divisors (see below), whose sum is σ = 2153775096. Its totient is φ = 497677824.

The previous prime is 1197671417. The next prime is 1197671429. The reversal of 1197671426 is 6241767911.

It can be written as a sum of positive squares in 4 ways, for example, as 1057225225 + 140446201 = 32515^2 + 11851^2 .

It is not an unprimeable number, because it can be changed into a prime (1197671429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2019386 + ... + 2019978.

Almost surely, 2^1197671426 is an apocalyptic number.

1197671426 is a deficient number, since it is larger than the sum of its proper divisors (956103670).

1197671426 is a wasteful number, since it uses less digits than its factorization.

1197671426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1196 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 1197671426 is about 34607.3897599920. The cubic root of 1197671426 is about 1061.9707687936.

The spelling of 1197671426 in words is "one billion, one hundred ninety-seven million, six hundred seventy-one thousand, four hundred twenty-six".