1096521 has 4 divisors (see below), whose sum is σ = 1462032. Its totient is φ = 731012.

The previous prime is 1096507. The next prime is 1096541. The reversal of 1096521 is 1256901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1096521 - 2⁵ = 1096489 is a prime.

It is a super-3 number, since 3×1096521³ = 3955233387742286283, which contains 333 as substring.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1096491 and 1096500.

It is not an unprimeable number, because it can be changed into a prime (1096541) 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, 182751 + ... + 182756.

It is an arithmetic number, because the mean of its divisors is an integer number (365508).

2^1096521 is an apocalyptic number.

It is an amenable number.

1096521 is a deficient number, since it is larger than the sum of its proper divisors (365511).

1096521 is an equidigital number, since it uses as much as digits as its factorization.

1096521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365510.

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

The square root of 1096521 is about 1047.1489865344. The cubic root of 1096521 is about 103.1190692641.

The spelling of 1096521 in words is "one million, ninety-six thousand, five hundred twenty-one".