1062799920 has 320 divisors, whose sum is σ = 4506378240. Its totient is φ = 224197632.

The previous prime is 1062799891. The next prime is 1062799949. The reversal of 1062799920 is 299972601.

1062799920 is a `hidden beast` number, since 10 + 627 + 9 + 9 + 9 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1062799891) and next prime (1062799949).

It is a super-2 number, since 2×1062799920² = 2259087339904012800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193857 + ... + 199263.

It is an arithmetic number, because the mean of its divisors is an integer number (14082432).

Almost surely, 2^1062799920 is an apocalyptic number.

1062799920 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 1062799920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253189120).

1062799920 is an abundant number, since it is smaller than the sum of its proper divisors (3443578320).

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

1062799920 is a wasteful number, since it uses less digits than its factorization.

1062799920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449 (or 5437 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1062799920 is about 32600.6122641891. The cubic root of 1062799920 is about 1020.5097797798.

The spelling of 1062799920 in words is "one billion, sixty-two million, seven hundred ninety-nine thousand, nine hundred twenty".