1047922920 has 320 divisors, whose sum is σ = 3890082240. Its totient is φ = 254041920.

The previous prime is 1047922919. The next prime is 1047922933. The reversal of 1047922920 is 292297401.

1047922920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1047922920² = 2196284892522652800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 95265715 + ... + 95265725.

It is an arithmetic number, because the mean of its divisors is an integer number (12156507).

Almost surely, 2^1047922920 is an apocalyptic number.

1047922920 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 1047922920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945041120).

1047922920 is an abundant number, since it is smaller than the sum of its proper divisors (2842159320).

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

1047922920 is an frugal number, since it uses more digits than its factorization.

1047922920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1047922920 is about 32371.6375860104. The cubic root of 1047922920 is about 1015.7257123260.

The spelling of 1047922920 in words is "one billion, forty-seven million, nine hundred twenty-two thousand, nine hundred twenty".