1121001323 has 16 divisors (see below), whose sum is σ = 1258559232. Its totient is φ = 991440000.

The previous prime is 1121001319. The next prime is 1121001337. The reversal of 1121001323 is 3231001211.

It is a cyclic number.

It is not a de Polignac number, because 1121001323 - 2² = 1121001319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121001298 and 1121001307.

It is not an unprimeable number, because it can be changed into a prime (1121001313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26933 + ... + 54473.

It is an arithmetic number, because the mean of its divisors is an integer number (78659952).

Almost surely, 2^1121001323 is an apocalyptic number.

1121001323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121001323 is a deficient number, since it is larger than the sum of its proper divisors (137557909).

1121001323 is a wasteful number, since it uses less digits than its factorization.

1121001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1121001323 is about 33481.3578428355. The cubic root of 1121001323 is about 1038.8082141240.

Adding to 1121001323 its reverse (3231001211), we get a palindrome (4352002534).

The spelling of 1121001323 in words is "one billion, one hundred twenty-one million, one thousand, three hundred twenty-three".