1091030 has 8 divisors (see below), whose sum is σ = 1963872. Its totient is φ = 436408.

The previous prime is 1091023. The next prime is 1091033. The reversal of 1091030 is 301901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1090996 and 1091014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54542 + ... + 54561.

It is an arithmetic number, because the mean of its divisors is an integer number (245484).

2^1091030 is an apocalyptic number.

1091030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1091030 is a deficient number, since it is larger than the sum of its proper divisors (872842).

1091030 is a wasteful number, since it uses less digits than its factorization.

1091030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109110.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1091030 is about 1044.5238149511. The cubic root of 1091030 is about 102.9466528659.

Adding to 1091030 its reverse (301901), we get a palindrome (1392931).

The spelling of 1091030 in words is "one million, ninety-one thousand, thirty".