1330211123 has 4 divisors (see below), whose sum is σ = 1330598928. Its totient is φ = 1329823320.

The previous prime is 1330211111. The next prime is 1330211137. The reversal of 1330211123 is 3211120331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3211120331 = 43 ⋅74677217.

It is a cyclic number.

It is not a de Polignac number, because 1330211123 - 2¹⁴ = 1330194739 is a prime.

It is a super-2 number, since 2×1330211123² = 3538923263505842258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330211153) 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, 188711 + ... + 195632.

It is an arithmetic number, because the mean of its divisors is an integer number (332649732).

Almost surely, 2^1330211123 is an apocalyptic number.

1330211123 is a deficient number, since it is larger than the sum of its proper divisors (387805).

1330211123 is an equidigital number, since it uses as much as digits as its factorization.

1330211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387804.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1330211123 is about 36472.0594839392. The cubic root of 1330211123 is about 1099.7826355631.

Adding to 1330211123 its reverse (3211120331), we get a palindrome (4541331454).

The spelling of 1330211123 in words is "one billion, three hundred thirty million, two hundred eleven thousand, one hundred twenty-three".