1061841920 has 176 divisors, whose sum is σ = 2716581888. Its totient is φ = 397393920.

The previous prime is 1061841919. The next prime is 1061841941. The reversal of 1061841920 is 291481601.

It is a super-2 number, since 2×1061841920² = 2255016526138572800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8360897 + ... + 8361023.

Almost surely, 2^1061841920 is an apocalyptic number.

1061841920 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 1061841920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358290944).

1061841920 is an abundant number, since it is smaller than the sum of its proper divisors (1654739968).

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

1061841920 is a wasteful number, since it uses less digits than its factorization.

1061841920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1061841920 is about 32585.9159760778. The cubic root of 1061841920 is about 1020.2030609433.

The spelling of 1061841920 in words is "one billion, sixty-one million, eight hundred forty-one thousand, nine hundred twenty".