1342422043 has 4 divisors (see below), whose sum is σ = 1342557448. Its totient is φ = 1342286640.

The previous prime is 1342422023. The next prime is 1342422061. The reversal of 1342422043 is 3402242431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342422043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342421999 and 1342422017.

It is not an unprimeable number, because it can be changed into a prime (1342422023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51546 + ... + 73087.

It is an arithmetic number, because the mean of its divisors is an integer number (335639362).

Almost surely, 2^1342422043 is an apocalyptic number.

1342422043 is a deficient number, since it is larger than the sum of its proper divisors (135405).

1342422043 is a wasteful number, since it uses less digits than its factorization.

1342422043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135404.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1342422043 is about 36639.0780861091. The cubic root of 1342422043 is about 1103.1376101761.

Adding to 1342422043 its reverse (3402242431), we get a palindrome (4744664474).

The spelling of 1342422043 in words is "one billion, three hundred forty-two million, four hundred twenty-two thousand, forty-three".