1002421346 has 4 divisors (see below), whose sum is σ = 1503632022. Its totient is φ = 501210672.

The previous prime is 1002421313. The next prime is 1002421367. The reversal of 1002421346 is 6431242001.

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

It can be written as a sum of positive squares in only one way, i.e., 825930121 + 176491225 = 28739^2 + 13285^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250605335 + ... + 250605338.

Almost surely, 2^1002421346 is an apocalyptic number.

1002421346 is a deficient number, since it is larger than the sum of its proper divisors (501210676).

1002421346 is an equidigital number, since it uses as much as digits as its factorization.

1002421346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501210675.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1002421346 is about 31661.0382963036. The cubic root of 1002421346 is about 1000.8064647731.

Adding to 1002421346 its reverse (6431242001), we get a palindrome (7433663347).

The spelling of 1002421346 in words is "one billion, two million, four hundred twenty-one thousand, three hundred forty-six".