1021424000042 has 8 divisors (see below), whose sum is σ = 1532142116100. Its totient is φ = 510709961344.

The previous prime is 1021424000017. The next prime is 1021424000071. The reversal of 1021424000042 is 2400004241201.

It can be written as a sum of positive squares in 2 ways, for example, as 772533765721 + 248890234321 = 878939^2 + 498889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1021423999978 and 1021424000023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288167 + ... + 1458042.

Almost surely, 2^{1021424000042} is an apocalyptic number.

1021424000042 is a deficient number, since it is larger than the sum of its proper divisors (510718116058).

1021424000042 is a wasteful number, since it uses less digits than its factorization.

1021424000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038680.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1021424000042 its reverse (2400004241201), we get a palindrome (3421428241243).

The spelling of 1021424000042 in words is "one trillion, twenty-one billion, four hundred twenty-four million, forty-two", and thus it is an aban number.