1242322433 has 4 divisors (see below), whose sum is σ = 1355260848. Its totient is φ = 1129384020.

The previous prime is 1242322421. The next prime is 1242322441. The reversal of 1242322433 is 3342232421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3342232421 = 11 ⋅303839311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242322433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242322493) 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, 56469191 + ... + 56469212.

It is an arithmetic number, because the mean of its divisors is an integer number (338815212).

Almost surely, 2^1242322433 is an apocalyptic number.

It is an amenable number.

1242322433 is a deficient number, since it is larger than the sum of its proper divisors (112938415).

1242322433 is a wasteful number, since it uses less digits than its factorization.

1242322433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112938414.

The product of its digits is 6912, while the sum is 26.

The square root of 1242322433 is about 35246.5946298362. The cubic root of 1242322433 is about 1075.0073720064.

Adding to 1242322433 its reverse (3342232421), we get a palindrome (4584554854).

The spelling of 1242322433 in words is "one billion, two hundred forty-two million, three hundred twenty-two thousand, four hundred thirty-three".