1342142047 has 4 divisors (see below), whose sum is σ = 1342215360. Its totient is φ = 1342068736.

The previous prime is 1342142003. The next prime is 1342142059. The reversal of 1342142047 is 7402412431.

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 1342142047 - 2⁷ = 1342141919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342142447) 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, 16479 + ... + 54367.

It is an arithmetic number, because the mean of its divisors is an integer number (335553840).

Almost surely, 2^1342142047 is an apocalyptic number.

1342142047 is a deficient number, since it is larger than the sum of its proper divisors (73313).

1342142047 is an equidigital number, since it uses as much as digits as its factorization.

1342142047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73312.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1342142047 is about 36635.2568845914. The cubic root of 1342142047 is about 1103.0609091126.

Adding to 1342142047 its reverse (7402412431), we get a palindrome (8744554478).

The spelling of 1342142047 in words is "one billion, three hundred forty-two million, one hundred forty-two thousand, forty-seven".