1121124113 has 4 divisors (see below), whose sum is σ = 1128548928. Its totient is φ = 1113699300.

The previous prime is 1121124107. The next prime is 1121124119. The reversal of 1121124113 is 3114211211.

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.

It is an interprime number because it is at equal distance from previous prime (1121124107) and next prime (1121124119).

It is a cyclic number.

It is not a de Polignac number, because 1121124113 - 2⁴ = 1121124097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121124091 and 1121124100.

It is not an unprimeable number, because it can be changed into a prime (1121124119) 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, 3712181 + ... + 3712482.

It is an arithmetic number, because the mean of its divisors is an integer number (282137232).

Almost surely, 2^1121124113 is an apocalyptic number.

It is an amenable number.

1121124113 is a deficient number, since it is larger than the sum of its proper divisors (7424815).

1121124113 is an equidigital number, since it uses as much as digits as its factorization.

1121124113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424814.

The product of its digits is 48, while the sum is 17.

The square root of 1121124113 is about 33483.1914996166. The cubic root of 1121124113 is about 1038.8461417045.

Adding to 1121124113 its reverse (3114211211), we get a palindrome (4235335324).

The spelling of 1121124113 in words is "one billion, one hundred twenty-one million, one hundred twenty-four thousand, one hundred thirteen".