1103961 has 8 divisors (see below), whose sum is σ = 1482304. Its totient is φ = 730800.

The previous prime is 1103933. The next prime is 1103981. The reversal of 1103961 is 1693011.

It is a happy number.

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

It is not a de Polignac number, because 1103961 - 2⁹ = 1103449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (185288).

2^1103961 is an apocalyptic number.

It is an amenable number.

1103961 is a deficient number, since it is larger than the sum of its proper divisors (378343).

1103961 is a wasteful number, since it uses less digits than its factorization.

1103961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1103961 is about 1050.6954839534. The cubic root of 1103961 is about 103.3517680141.

Adding to 1103961 its reverse (1693011), we get a palindrome (2796972).

The spelling of 1103961 in words is "one million, one hundred three thousand, nine hundred sixty-one".