1095621 has 8 divisors (see below), whose sum is σ = 1485024. Its totient is φ = 718320.

The previous prime is 1095613. The next prime is 1095631. The reversal of 1095621 is 1265901.

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

It is not a de Polignac number, because 1095621 - 2³ = 1095613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1095591 and 1095600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (185628).

2^1095621 is an apocalyptic number.

It is an amenable number.

1095621 is a deficient number, since it is larger than the sum of its proper divisors (389403).

1095621 is an equidigital number, since it uses as much as digits as its factorization.

1095621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1095621 is about 1046.7191600425. The cubic root of 1095621 is about 103.0908489305.

The spelling of 1095621 in words is "one million, ninety-five thousand, six hundred twenty-one".