1194828992 has 56 divisors (see below), whose sum is σ = 2730520320. Its totient is φ = 508135680.

The previous prime is 1194828991. The next prime is 1194828997. The reversal of 1194828992 is 2998284911.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (1194828991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48509 + ... + 68867.

Almost surely, 2^1194828992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194828992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365260160).

1194828992 is an abundant number, since it is smaller than the sum of its proper divisors (1535691328).

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

1194828992 is a wasteful number, since it uses less digits than its factorization.

1194828992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20509 (or 20499 counting only the distinct ones).

The product of its digits is 746496, while the sum is 53.

The square root of 1194828992 is about 34566.2985001287. The cubic root of 1194828992 is about 1061.1299780980.

The spelling of 1194828992 in words is "one billion, one hundred ninety-four million, eight hundred twenty-eight thousand, nine hundred ninety-two".