1069481620 has 24 divisors (see below), whose sum is σ = 2246603688. Its totient is φ = 427660800.

The previous prime is 1069481587. The next prime is 1069481641. The reversal of 1069481620 is 261849601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113806224 + 955675396 = 10668^2 + 30914^2 .

It is a super-2 number, since 2×1069481620² = 2287581871035648800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1069481620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82800 + ... + 94840.

It is an arithmetic number, because the mean of its divisors is an integer number (93608487).

Almost surely, 2^1069481620 is an apocalyptic number.

1069481620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1069481620 is an abundant number, since it is smaller than the sum of its proper divisors (1177122068).

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

1069481620 is a wasteful number, since it uses less digits than its factorization.

1069481620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491 (or 16489 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1069481620 is about 32702.9298381659. The cubic root of 1069481620 is about 1022.6439225679.

The spelling of 1069481620 in words is "one billion, sixty-nine million, four hundred eighty-one thousand, six hundred twenty".