1204992 has 54 divisors (see below), whose sum is σ = 3480932. Its totient is φ = 400896.

The previous prime is 1204981. The next prime is 1205027. The reversal of 1204992 is 2994021.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2043 + ... + 2565.

2^1204992 is an apocalyptic number.

1204992 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 1204992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740466).

1204992 is an abundant number, since it is smaller than the sum of its proper divisors (2275940).

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

1204992 is an equidigital number, since it uses as much as digits as its factorization.

1204992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 528 counting only the distinct ones).

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

The square root of 1204992 is about 1097.7212760988. The cubic root of 1204992 is about 106.4130083781.

The spelling of 1204992 in words is "one million, two hundred four thousand, nine hundred ninety-two".