1083961 has 4 divisors (see below), whose sum is σ = 1107072. Its totient is φ = 1060852.

The previous prime is 1083949. The next prime is 1083983. The reversal of 1083961 is 1693801.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1693801 = 709 ⋅2389.

It is a cyclic number.

It is not a de Polignac number, because 1083961 - 2⁷ = 1083833 is a prime.

It is an Ulam number.

It is a Duffinian number.

1083961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1083911) 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, 11485 + ... + 11578.

It is an arithmetic number, because the mean of its divisors is an integer number (276768).

2^1083961 is an apocalyptic number.

It is an amenable number.

1083961 is a deficient number, since it is larger than the sum of its proper divisors (23111).

1083961 is an equidigital number, since it uses as much as digits as its factorization.

1083961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23110.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1083961 is about 1041.1344773851. The cubic root of 1083961 is about 102.7238336727.

The spelling of 1083961 in words is "one million, eighty-three thousand, nine hundred sixty-one".