1068247980 has 96 divisors (see below), whose sum is σ = 3330694080. Its totient is φ = 284244480.

The previous prime is 1068247969. The next prime is 1068247981. The reversal of 1068247980 is 897428601.

It is a super-2 number, since 2×1068247980² = 2282307493548160800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1068247981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279442 + ... + 283238.

It is an arithmetic number, because the mean of its divisors is an integer number (34694730).

Almost surely, 2^1068247980 is an apocalyptic number.

1068247980 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 1068247980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665347040).

1068247980 is an abundant number, since it is smaller than the sum of its proper divisors (2262446100).

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

1068247980 is a wasteful number, since it uses less digits than its factorization.

1068247980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4328 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1068247980 is about 32684.0630889123. The cubic root of 1068247980 is about 1022.2505669432.

The spelling of 1068247980 in words is "one billion, sixty-eight million, two hundred forty-seven thousand, nine hundred eighty".