1089154 has 16 divisors (see below), whose sum is σ = 1840896. Its totient is φ = 478800.

The previous prime is 1089133. The next prime is 1089161. The reversal of 1089154 is 4519801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 1480.

It is an arithmetic number, because the mean of its divisors is an integer number (115056).

2^1089154 is an apocalyptic number.

1089154 is a deficient number, since it is larger than the sum of its proper divisors (751742).

1089154 is a wasteful number, since it uses less digits than its factorization.

1089154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1089154 is about 1043.6254117259. The cubic root of 1089154 is about 102.8876142450.

The spelling of 1089154 in words is "one million, eighty-nine thousand, one hundred fifty-four".