1204417992 has 32 divisors (see below), whose sum is σ = 3015230400. Its totient is φ = 400914624.

The previous prime is 1204417979. The next prime is 1204417993. The reversal of 1204417992 is 2997144021.

It is a self number, because there is not a number n which added to its sum of digits gives 1204417992.

It is not an unprimeable number, because it can be changed into a prime (1204417993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17067 + ... + 51962.

It is an arithmetic number, because the mean of its divisors is an integer number (94225950).

Almost surely, 2^1204417992 is an apocalyptic number.

1204417992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1204417992 is an abundant number, since it is smaller than the sum of its proper divisors (1810812408).

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

1204417992 is a wasteful number, since it uses less digits than its factorization.

1204417992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69765 (or 69761 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1204417992 is about 34704.7257877079. The cubic root of 1204417992 is about 1063.9610878603.

The spelling of 1204417992 in words is "one billion, two hundred four million, four hundred seventeen thousand, nine hundred ninety-two".