1002421010 has 8 divisors (see below), whose sum is σ = 1804357836. Its totient is φ = 400968400.

The previous prime is 1002421009. The next prime is 1002421051. The reversal of 1002421010 is 101242001.

It can be written as a sum of positive squares in 2 ways, for example, as 1001785801 + 635209 = 31651^2 + 797^2 .

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 = 1002420982 and 1002421000.

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, 50121041 + ... + 50121060.

Almost surely, 2^1002421010 is an apocalyptic number.

1002421010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002421010 is a deficient number, since it is larger than the sum of its proper divisors (801936826).

1002421010 is a wasteful number, since it uses less digits than its factorization.

1002421010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100242108.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002421010 is about 31661.0329900968. The cubic root of 1002421010 is about 1000.8063529535.

Adding to 1002421010 its reverse (101242001), we get a palindrome (1103663011).

The spelling of 1002421010 in words is "one billion, two million, four hundred twenty-one thousand, ten".