1090973 has 4 divisors (see below), whose sum is σ = 1174908. Its totient is φ = 1007040.

The previous prime is 1090967. The next prime is 1090979. The reversal of 1090973 is 3790901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3790901 = 41 ⋅92461.

It is an interprime number because it is at equal distance from previous prime (1090967) and next prime (1090979).

It can be written as a sum of positive squares in 2 ways, for example, as 683929 + 407044 = 827^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090973 - 2⁶ = 1090909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090979) 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, 41948 + ... + 41973.

It is an arithmetic number, because the mean of its divisors is an integer number (293727).

2^1090973 is an apocalyptic number.

1090973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1090973 is a deficient number, since it is larger than the sum of its proper divisors (83935).

1090973 is an equidigital number, since it uses as much as digits as its factorization.

1090973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83934.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 1090973 is about 1044.4965294342. The cubic root of 1090973 is about 102.9448600459.

The spelling of 1090973 in words is "one million, ninety thousand, nine hundred seventy-three".