1101953 has 4 divisors (see below), whose sum is σ = 1149888. Its totient is φ = 1054020.

The previous prime is 1101941. The next prime is 1101959. The reversal of 1101953 is 3591011.

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: 3591011 = 1237 ⋅2903.

It is a cyclic number.

It is not a de Polignac number, because 1101953 - 2⁴ = 1101937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101959) 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, 23933 + ... + 23978.

It is an arithmetic number, because the mean of its divisors is an integer number (287472).

2^1101953 is an apocalyptic number.

It is an amenable number.

1101953 is a deficient number, since it is larger than the sum of its proper divisors (47935).

1101953 is an equidigital number, since it uses as much as digits as its factorization.

1101953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47934.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1101953 is about 1049.7394914930. The cubic root of 1101953 is about 103.2890676399.

Adding to 1101953 its reverse (3591011), we get a palindrome (4692964).

The spelling of 1101953 in words is "one million, one hundred one thousand, nine hundred fifty-three".