1194689712 has 20 divisors (see below), whose sum is σ = 3086281880. Its totient is φ = 398229888.

The previous prime is 1194689701. The next prime is 1194689723. The reversal of 1194689712 is 2179864911.

It is an interprime number because it is at equal distance from previous prime (1194689701) and next prime (1194689723).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 24889369 = 1194689712 / (1 + 1 + 9 + 4 + 6 + 8 + 9 + 7 + 1 + 2).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12444637 + ... + 12444732.

It is an arithmetic number, because the mean of its divisors is an integer number (154314094).

Almost surely, 2^1194689712 is an apocalyptic number.

1194689712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1194689712 is an abundant number, since it is smaller than the sum of its proper divisors (1891592168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1194689712 is a wasteful number, since it uses less digits than its factorization.

1194689712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24889380 (or 24889374 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The square root of 1194689712 is about 34564.2837622885. The cubic root of 1194689712 is about 1061.0887448818.

The spelling of 1194689712 in words is "one billion, one hundred ninety-four million, six hundred eighty-nine thousand, seven hundred twelve".