1081022976 has 160 divisors (see below), whose sum is σ = 3491294400. Its totient is φ = 327536640.

The previous prime is 1081022951. The next prime is 1081022981. The reversal of 1081022976 is 6792201801.

It is a super-2 number, since 2×1081022976² = 2337221349279793152, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1081022976.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148510 + ... + 155618.

It is an arithmetic number, because the mean of its divisors is an integer number (21820590).

Almost surely, 2^1081022976 is an apocalyptic number.

1081022976 is a gapful number since it is divisible by the number (16) 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 1081022976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745647200).

1081022976 is an abundant number, since it is smaller than the sum of its proper divisors (2410271424).

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

1081022976 is an equidigital number, since it uses as much as digits as its factorization.

1081022976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147 (or 7125 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1081022976 is about 32878.9138506734. The cubic root of 1081022976 is about 1026.3094036252.

The spelling of 1081022976 in words is "one billion, eighty-one million, twenty-two thousand, nine hundred seventy-six".