1294944192 has 112 divisors (see below), whose sum is σ = 3938320800. Its totient is φ = 416747520.

The previous prime is 1294944191. The next prime is 1294944193. The reversal of 1294944192 is 2914494921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1294944191) and next prime (1294944193).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294944191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37192 + ... + 63032.

Almost surely, 2^1294944192 is an apocalyptic number.

1294944192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1294944192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969160400).

1294944192 is an abundant number, since it is smaller than the sum of its proper divisors (2643376608).

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

1294944192 is a wasteful number, since it uses less digits than its factorization.

1294944192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25891 (or 25875 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 1294944192 is about 35985.3330122149. Note that the first 3 decimals coincide. The cubic root of 1294944192 is about 1089.9762057483.

The spelling of 1294944192 in words is "one billion, two hundred ninety-four million, nine hundred forty-four thousand, one hundred ninety-two".