1089772 has 12 divisors (see below), whose sum is σ = 1924776. Its totient is φ = 539840.

The previous prime is 1089757. The next prime is 1089793. The reversal of 1089772 is 2779801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (160398).

2^1089772 is an apocalyptic number.

It is an amenable number.

1089772 is a deficient number, since it is larger than the sum of its proper divisors (835004).

1089772 is a wasteful number, since it uses less digits than its factorization.

1089772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1089772 is about 1043.9214529839. The cubic root of 1089772 is about 102.9070704845.

The spelling of 1089772 in words is "one million, eighty-nine thousand, seven hundred seventy-two".