1000920000 has 280 divisors, whose sum is σ = 3491382400. Its totient is φ = 252288000.

The previous prime is 1000919989. The next prime is 1000920001. The reversal of 1000920000 is 290001.

It is a happy number.

1000920000 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000920001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2279781 + ... + 2280219.

Almost surely, 2^1000920000 is an apocalyptic number.

1000920000 is a gapful number since it is divisible by the number (10) 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 1000920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745691200).

1000920000 is an abundant number, since it is smaller than the sum of its proper divisors (2490462400).

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

1000920000 is an equidigital number, since it uses as much as digits as its factorization.

1000920000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1000920000 is about 31637.3197347689. The cubic root of 1000920000 is about 1000.3065726703.

The spelling of 1000920000 in words is "one billion, nine hundred twenty thousand".