1197786995 has 4 divisors (see below), whose sum is σ = 1437344400. Its totient is φ = 958229592.

The previous prime is 1197786983. The next prime is 1197787043. The reversal of 1197786995 is 5996877911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5996877911 = 43 ⋅139462277.

It is a cyclic number.

It is not a de Polignac number, because 1197786995 - 2¹² = 1197782899 is a prime.

It is a super-2 number, since 2×1197786995² = 2869387370782260050, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 119778695 + ... + 119778704.

It is an arithmetic number, because the mean of its divisors is an integer number (359336100).

Almost surely, 2^1197786995 is an apocalyptic number.

1197786995 is a deficient number, since it is larger than the sum of its proper divisors (239557405).

1197786995 is an equidigital number, since it uses as much as digits as its factorization.

1197786995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239557404.

The product of its digits is 8573040, while the sum is 62.

The square root of 1197786995 is about 34609.0594353559. The cubic root of 1197786995 is about 1062.0049258948.

The spelling of 1197786995 in words is "one billion, one hundred ninety-seven million, seven hundred eighty-six thousand, nine hundred ninety-five".