1342242043 has 4 divisors (see below), whose sum is σ = 1342323808. Its totient is φ = 1342160280.

The previous prime is 1342241951. The next prime is 1342242049. The reversal of 1342242043 is 3402422431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1342242043 - 2¹⁷ = 1342110971 is a prime.

It is a super-2 number, since 2×1342242043² = 3603227403993627698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342241999 and 1342242017.

It is not an unprimeable number, because it can be changed into a prime (1342242049) 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, 6771 + ... + 52252.

It is an arithmetic number, because the mean of its divisors is an integer number (335580952).

Almost surely, 2^1342242043 is an apocalyptic number.

1342242043 is a deficient number, since it is larger than the sum of its proper divisors (81765).

1342242043 is an equidigital number, since it uses as much as digits as its factorization.

1342242043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81764.

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

The square root of 1342242043 is about 36636.6216100775. The cubic root of 1342242043 is about 1103.0883028696.

Adding to 1342242043 its reverse (3402422431), we get a palindrome (4744664474).

The spelling of 1342242043 in words is "one billion, three hundred forty-two million, two hundred forty-two thousand, forty-three".