1002420100534 has 4 divisors (see below), whose sum is σ = 1503630150804. Its totient is φ = 501210050266.

The previous prime is 1002420100519. The next prime is 1002420100537. The reversal of 1002420100534 is 4350010242001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002420100537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250605025132 + ... + 250605025135.

It is an arithmetic number, because the mean of its divisors is an integer number (375907537701).

Almost surely, 2^{1002420100534} is an apocalyptic number.

1002420100534 is a deficient number, since it is larger than the sum of its proper divisors (501210050270).

1002420100534 is an equidigital number, since it uses as much as digits as its factorization.

1002420100534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501210050269.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 1002420100534 its reverse (4350010242001), we get a palindrome (5352430342535).

The spelling of 1002420100534 in words is "one trillion, two billion, four hundred twenty million, one hundred thousand, five hundred thirty-four".