1109492 has 6 divisors (see below), whose sum is σ = 1941618. Its totient is φ = 554744.

The previous prime is 1109491. The next prime is 1109509. The reversal of 1109492 is 2949011.

It can be written as a sum of positive squares in only one way, i.e., 1094116 + 15376 = 1046^2 + 124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138683 + ... + 138690.

It is an arithmetic number, because the mean of its divisors is an integer number (323603).

2^1109492 is an apocalyptic number.

It is an amenable number.

1109492 is a deficient number, since it is larger than the sum of its proper divisors (832126).

1109492 is a wasteful number, since it uses less digits than its factorization.

1109492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277377 (or 277375 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1109492 is about 1053.3242615643. The cubic root of 1109492 is about 103.5240828616.

The spelling of 1109492 in words is "one million, one hundred nine thousand, four hundred ninety-two".