1084869225 has 72 divisors (see below), whose sum is σ = 2171673504. Its totient is φ = 513120000.

The previous prime is 1084869209. The next prime is 1084869251. The reversal of 1084869225 is 5229684801.

It is not a de Polignac number, because 1084869225 - 2⁴ = 1084869209 is a prime.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 96130 + ... + 106820.

It is an arithmetic number, because the mean of its divisors is an integer number (30162132).

Almost surely, 2^1084869225 is an apocalyptic number.

1084869225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1084869225 is an abundant number, since it is smaller than the sum of its proper divisors (1086804279).

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

1084869225 is a wasteful number, since it uses less digits than its factorization.

1084869225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10759 (or 10751 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 1084869225 is about 32937.3530357253. The cubic root of 1084869225 is about 1027.5251561142.

It can be divided in two parts, 108486 and 9225, that added together give a palindrome (117711).

The spelling of 1084869225 in words is "one billion, eighty-four million, eight hundred sixty-nine thousand, two hundred twenty-five".