1333121442 has 16 divisors (see below), whose sum is σ = 2722972032. Its totient is φ = 434918960.

The previous prime is 1333121441. The next prime is 1333121443. The reversal of 1333121442 is 2441213331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1333121441) and next prime (1333121443).

It is not an unprimeable number, because it can be changed into a prime (1333121441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363409 + ... + 2363972.

It is an arithmetic number, because the mean of its divisors is an integer number (170185752).

Almost surely, 2^1333121442 is an apocalyptic number.

1333121442 is an abundant number, since it is smaller than the sum of its proper divisors (1389850590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1333121442 is a wasteful number, since it uses less digits than its factorization.

1333121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727433.

The product of its digits is 1728, while the sum is 24.

The square root of 1333121442 is about 36511.9356101536. The cubic root of 1333121442 is about 1100.5841090621.

Adding to 1333121442 its reverse (2441213331), we get a palindrome (3774334773).

The spelling of 1333121442 in words is "one billion, three hundred thirty-three million, one hundred twenty-one thousand, four hundred forty-two".