1115153 has 4 divisors (see below), whose sum is σ = 1200948. Its totient is φ = 1029360.

The previous prime is 1115131. The next prime is 1115189. The reversal of 1115153 is 3515111.

1115153 is nontrivially palindromic in base 2 and base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3515111 = 37 ⋅95003.

It can be written as a sum of positive squares in 2 ways, for example, as 620944 + 494209 = 788^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115153 - 2⁶ = 1115089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42878 + ... + 42903.

It is an arithmetic number, because the mean of its divisors is an integer number (300237).

2^1115153 is an apocalyptic number.

1115153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1115153 is a deficient number, since it is larger than the sum of its proper divisors (85795).

1115153 is an equidigital number, since it uses as much as digits as its factorization.

1115153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85794.

The product of its digits is 75, while the sum is 17.

The square root of 1115153 is about 1056.0080492117. The cubic root of 1115153 is about 103.6998557702.

Subtracting from 1115153 its sum of digits (17), we obtain a square (1115136 = 1056²).

The spelling of 1115153 in words is "one million, one hundred fifteen thousand, one hundred fifty-three".