1021404002 has 8 divisors (see below), whose sum is σ = 1532346816. Its totient is φ = 510621732.

The previous prime is 1021403993. The next prime is 1021404037. The reversal of 1021404002 is 2004041201.

1021404002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1021404002² = 2086532270603232008, which contains 22 as substring.

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, 22718 + ... + 50585.

It is an arithmetic number, because the mean of its divisors is an integer number (191543352).

Almost surely, 2^1021404002 is an apocalyptic number.

1021404002 is a deficient number, since it is larger than the sum of its proper divisors (510942814).

1021404002 is an equidigital number, since it uses as much as digits as its factorization.

1021404002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80272.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1021404002 is about 31959.4117905821. The cubic root of 1021404002 is about 1007.0843606505.

Adding to 1021404002 its reverse (2004041201), we get a palindrome (3025445203).

The spelling of 1021404002 in words is "one billion, twenty-one million, four hundred four thousand, two".