1021424131304 has 16 divisors (see below), whose sum is σ = 1916975323620. Its totient is φ = 510230711680.

The previous prime is 1021424131279. The next prime is 1021424131307. The reversal of 1021424131304 is 4031314241201.

It can be written as a sum of positive squares in 2 ways, for example, as 1018625932900 + 2798198404 = 1009270^2 + 52898^2 .

It is not an unprimeable number, because it can be changed into a prime (1021424131307) 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, 60160229 + ... + 60177204.

Almost surely, 2^{1021424131304} is an apocalyptic number.

It is an amenable number.

1021424131304 is a deficient number, since it is larger than the sum of its proper divisors (895551192316).

1021424131304 is a wasteful number, since it uses less digits than its factorization.

1021424131304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120338500 (or 120338496 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1021424131304 its reverse (4031314241201), we get a palindrome (5052738372505).

The spelling of 1021424131304 in words is "one trillion, twenty-one billion, four hundred twenty-four million, one hundred thirty-one thousand, three hundred four".