1093971225 has 24 divisors (see below), whose sum is σ = 1852818912. Its totient is φ = 569219200.

The previous prime is 1093971187. The next prime is 1093971239. The reversal of 1093971225 is 5221793901.

It is not a de Polignac number, because 1093971225 - 2¹⁶ = 1093905689 is a prime.

It is a super-2 number, since 2×1093971225² = 2393546082256001250, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 174807 + ... + 180956.

It is an arithmetic number, because the mean of its divisors is an integer number (77200788).

Almost surely, 2^1093971225 is an apocalyptic number.

1093971225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1093971225 is a deficient number, since it is larger than the sum of its proper divisors (758847687).

1093971225 is a wasteful number, since it uses less digits than its factorization.

1093971225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355817 (or 355812 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1093971225 is about 33075.2358268237. The cubic root of 1093971225 is about 1030.3907855142.

The spelling of 1093971225 in words is "one billion, ninety-three million, nine hundred seventy-one thousand, two hundred twenty-five".