1112303121 has 4 divisors (see below), whose sum is σ = 1483070832. Its totient is φ = 741535412.

The previous prime is 1112303107. The next prime is 1112303123. The reversal of 1112303121 is 1213032111.

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: 1213032111 = 3 ⋅404344037.

It is a cyclic number.

It is not a de Polignac number, because 1112303121 - 2⁶ = 1112303057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112303121.

It is not an unprimeable number, because it can be changed into a prime (1112303123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185383851 + ... + 185383856.

It is an arithmetic number, because the mean of its divisors is an integer number (370767708).

Almost surely, 2^1112303121 is an apocalyptic number.

It is an amenable number.

1112303121 is a deficient number, since it is larger than the sum of its proper divisors (370767711).

1112303121 is an equidigital number, since it uses as much as digits as its factorization.

1112303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370767710.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1112303121 is about 33351.2086887417. The cubic root of 1112303121 is about 1036.1144214667.

Adding to 1112303121 its reverse (1213032111), we get a palindrome (2325335232).

The spelling of 1112303121 in words is "one billion, one hundred twelve million, three hundred three thousand, one hundred twenty-one".