1121004311 has 12 divisors (see below), whose sum is σ = 1316691792. Its totient is φ = 951527808.

The previous prime is 1121004277. The next prime is 1121004317. The reversal of 1121004311 is 1134001211.

It is a de Polignac number, because none of the positive numbers 2^k-1121004311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121004317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106010 + ... + 116103.

It is an arithmetic number, because the mean of its divisors is an integer number (109724316).

Almost surely, 2^1121004311 is an apocalyptic number.

1121004311 is a deficient number, since it is larger than the sum of its proper divisors (195687481).

1121004311 is a wasteful number, since it uses less digits than its factorization.

1121004311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222230 (or 222223 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1121004311 is about 33481.4024646519. The cubic root of 1121004311 is about 1038.8091370953.

Adding to 1121004311 its reverse (1134001211), we get a palindrome (2255005522).

The spelling of 1121004311 in words is "one billion, one hundred twenty-one million, four thousand, three hundred eleven".