1421431012 has 12 divisors (see below), whose sum is σ = 2490795580. Its totient is φ = 709775136.

The previous prime is 1421430991. The next prime is 1421431069. The reversal of 1421431012 is 2101341241.

It can be written as a sum of positive squares in 2 ways, for example, as 704583936 + 716847076 = 26544^2 + 26774^2 .

It is a super-2 number, since 2×1421431012² = 4040932243750688288, 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, 231687 + ... + 237742.

Almost surely, 2^1421431012 is an apocalyptic number.

It is an amenable number.

1421431012 is a deficient number, since it is larger than the sum of its proper divisors (1069364568).

1421431012 is a wasteful number, since it uses less digits than its factorization.

1421431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470190 (or 470188 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1421431012 is about 37701.8701392915. The cubic root of 1421431012 is about 1124.3683069643.

Adding to 1421431012 its reverse (2101341241), we get a palindrome (3522772253).

The spelling of 1421431012 in words is "one billion, four hundred twenty-one million, four hundred thirty-one thousand, twelve".