1196400123 has 12 divisors (see below), whose sum is σ = 1729220688. Its totient is φ = 797098320.

The previous prime is 1196400103. The next prime is 1196400157. The reversal of 1196400123 is 3210046911.

1196400123 is a `hidden beast` number, since 1 + 1 + 9 + 640 + 0 + 12 + 3 = 666.

It is not a de Polignac number, because 1196400123 - 2¹² = 1196396027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1196400103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26415 + ... + 55592.

It is an arithmetic number, because the mean of its divisors is an integer number (144101724).

Almost surely, 2^1196400123 is an apocalyptic number.

1196400123 is a deficient number, since it is larger than the sum of its proper divisors (532820565).

1196400123 is a wasteful number, since it uses less digits than its factorization.

1196400123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83634 (or 83631 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1196400123 is about 34589.0173754618. The cubic root of 1196400123 is about 1061.5948825605.

The spelling of 1196400123 in words is "one billion, one hundred ninety-six million, four hundred thousand, one hundred twenty-three".