1000421001324 has 144 divisors (see below), whose sum is σ = 2654776750080. Its totient is φ = 317238768000.

The previous prime is 1000421001289. The next prime is 1000421001353. The reversal of 1000421001324 is 4231001240001.

It is a super-2 number, since 2×1000421001324² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1000421001297 and 1000421001306.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157320457 + ... + 157326815.

Almost surely, 2^{1000421001324} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000421001324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327388375040).

1000421001324 is an abundant number, since it is smaller than the sum of its proper divisors (1654355748756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000421001324 is a wasteful number, since it uses less digits than its factorization.

1000421001324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772 (or 8767 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1000421001324 its reverse (4231001240001), we get a palindrome (5231422241325).

The spelling of 1000421001324 in words is "one trillion, four hundred twenty-one million, one thousand, three hundred twenty-four".