1091124 has 24 divisors (see below), whose sum is σ = 2829120. Its totient is φ = 363672.

The previous prime is 1091119. The next prime is 1091137. The reversal of 1091124 is 4211901.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1091097 and 1091106.

It is a congruent 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, 4944 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (117880).

2^1091124 is an apocalyptic number.

It is an amenable number.

1091124 is an abundant number, since it is smaller than the sum of its proper divisors (1737996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091124 is a wasteful number, since it uses less digits than its factorization.

1091124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116 (or 10108 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1091124 is about 1044.5688105625. The cubic root of 1091124 is about 102.9496093100.

The spelling of 1091124 in words is "one million, ninety-one thousand, one hundred twenty-four".