1163222123 has 12 divisors (see below), whose sum is σ = 1424354760. Its totient is φ = 944570592.

The previous prime is 1163222089. The next prime is 1163222131. The reversal of 1163222123 is 3212223611.

It is not a de Polignac number, because 1163222123 - 2¹² = 1163218027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163282123) 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, 623786 + ... + 625647.

It is an arithmetic number, because the mean of its divisors is an integer number (118696230).

Almost surely, 2^1163222123 is an apocalyptic number.

1163222123 is a deficient number, since it is larger than the sum of its proper divisors (261132637).

1163222123 is a wasteful number, since it uses less digits than its factorization.

1163222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249466 (or 1249459 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1163222123 is about 34106.0423239050. The cubic root of 1163222123 is about 1051.6895318054.

Adding to 1163222123 its reverse (3212223611), we get a palindrome (4375445734).

The spelling of 1163222123 in words is "one billion, one hundred sixty-three million, two hundred twenty-two thousand, one hundred twenty-three".