1089671225 has 12 divisors (see below), whose sum is σ = 1353437184. Its totient is φ = 870288720.

The previous prime is 1089671221. The next prime is 1089671251. The reversal of 1089671225 is 5221769801.

It is not a de Polignac number, because 1089671225 - 2² = 1089671221 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089671221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20729 + ... + 51078.

It is an arithmetic number, because the mean of its divisors is an integer number (112786432).

Almost surely, 2^1089671225 is an apocalyptic number.

It is an amenable number.

1089671225 is a deficient number, since it is larger than the sum of its proper divisors (263765959).

1089671225 is an equidigital number, since it uses as much as digits as its factorization.

1089671225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72424 (or 72419 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1089671225 is about 33010.1685091125. The cubic root of 1089671225 is about 1029.0389832873.

The spelling of 1089671225 in words is "one billion, eighty-nine million, six hundred seventy-one thousand, two hundred twenty-five".