1421302810 has 8 divisors (see below), whose sum is σ = 2558345076. Its totient is φ = 568521120.

The previous prime is 1421302807. The next prime is 1421302823. The reversal of 1421302810 is 182031241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1421214601 + 88209 = 37699^2 + 297^2 .

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

It is a super-2 number, since 2×1421302810² = 4040203355427792200, 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, 71065131 + ... + 71065150.

Almost surely, 2^1421302810 is an apocalyptic number.

1421302810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421302810 is a deficient number, since it is larger than the sum of its proper divisors (1137042266).

1421302810 is a wasteful number, since it uses less digits than its factorization.

1421302810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142130288.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1421302810 is about 37700.1698935164. The cubic root of 1421302810 is about 1124.3345028617.

The spelling of 1421302810 in words is "one billion, four hundred twenty-one million, three hundred two thousand, eight hundred ten".