1197036931 has 2 divisors, whose sum is σ = 1197036932. Its totient is φ = 1197036930.

The previous prime is 1197036889. The next prime is 1197036949. The reversal of 1197036931 is 1396307911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1197036931 - 2¹⁹ = 1196512643 is a prime.

It is a super-2 number, since 2×1197036931² = 2865794828355797522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1197036031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598518465 + 598518466.

It is an arithmetic number, because the mean of its divisors is an integer number (598518466).

Almost surely, 2^1197036931 is an apocalyptic number.

1197036931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197036931 is an equidigital number, since it uses as much as digits as its factorization.

1197036931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 1197036931 is about 34598.2215005338. The cubic root of 1197036931 is about 1061.7832008866.

The spelling of 1197036931 in words is "one billion, one hundred ninety-seven million, thirty-six thousand, nine hundred thirty-one".