1084867281 has 6 divisors (see below), whose sum is σ = 1567030530. Its totient is φ = 723244848.

The previous prime is 1084867247. The next prime is 1084867313. The reversal of 1084867281 is 1827684801.

It can be written as a sum of positive squares in only one way, i.e., 1083463056 + 1404225 = 32916^2 + 1185^2 .

It is not a de Polignac number, because 1084867281 - 2¹³ = 1084859089 is a prime.

It is a super-2 number, since 2×1084867281² = 2353874034768665922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1084867241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60270396 + ... + 60270413.

It is an arithmetic number, because the mean of its divisors is an integer number (261171755).

Almost surely, 2^1084867281 is an apocalyptic number.

It is an amenable number.

1084867281 is a deficient number, since it is larger than the sum of its proper divisors (482163249).

1084867281 is a wasteful number, since it uses less digits than its factorization.

1084867281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120540815 (or 120540812 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 1084867281 is about 32937.3235251439. The cubic root of 1084867281 is about 1027.5245423658.

The spelling of 1084867281 in words is "one billion, eighty-four million, eight hundred sixty-seven thousand, two hundred eighty-one".