1196238945 has 32 divisors (see below), whose sum is σ = 2103957504. Its totient is φ = 575556800.

The previous prime is 1196238941. The next prime is 1196238959. The reversal of 1196238945 is 5498326911.

It is not a de Polignac number, because 1196238945 - 2² = 1196238941 is a prime.

It is a super-2 number, since 2×1196238945² = 2861975227069426050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1196238894 and 1196238903.

It is not an unprimeable number, because it can be changed into a prime (1196238941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6057 + ... + 49286.

It is an arithmetic number, because the mean of its divisors is an integer number (65748672).

Almost surely, 2^1196238945 is an apocalyptic number.

1196238945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1196238945 is a deficient number, since it is larger than the sum of its proper divisors (907718559).

1196238945 is a wasteful number, since it uses less digits than its factorization.

1196238945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55493.

The product of its digits is 466560, while the sum is 48.

The square root of 1196238945 is about 34586.6873955862. The cubic root of 1196238945 is about 1061.5472080351.

The spelling of 1196238945 in words is "one billion, one hundred ninety-six million, two hundred thirty-eight thousand, nine hundred forty-five".