1121036411 has 4 divisors (see below), whose sum is σ = 1222948824. Its totient is φ = 1019124000.

The previous prime is 1121036407. The next prime is 1121036419. The reversal of 1121036411 is 1146301211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121036411 - 2² = 1121036407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121036419) 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, 50956190 + ... + 50956211.

It is an arithmetic number, because the mean of its divisors is an integer number (305737206).

Almost surely, 2^1121036411 is an apocalyptic number.

1121036411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121036411 is a deficient number, since it is larger than the sum of its proper divisors (101912413).

1121036411 is a wasteful number, since it uses less digits than its factorization.

1121036411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101912412.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1121036411 is about 33481.8818318206. The cubic root of 1121036411 is about 1038.8190524467.

Adding to 1121036411 its reverse (1146301211), we get a palindrome (2267337622).

The spelling of 1121036411 in words is "one billion, one hundred twenty-one million, thirty-six thousand, four hundred eleven".