1421431412 has 24 divisors (see below), whose sum is σ = 2503492992. Its totient is φ = 706161600.

The previous prime is 1421431411. The next prime is 1421431457. The reversal of 1421431412 is 2141341241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421431411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530837 + ... + 533507.

It is an arithmetic number, because the mean of its divisors is an integer number (104312208).

Almost surely, 2^1421431412 is an apocalyptic number.

It is an amenable number.

1421431412 is a deficient number, since it is larger than the sum of its proper divisors (1082061580).

1421431412 is a wasteful number, since it uses less digits than its factorization.

1421431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479 (or 3477 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1421431412 is about 37701.8754440678. The cubic root of 1421431412 is about 1124.3684124325.

Adding to 1421431412 its reverse (2141341241), we get a palindrome (3562772653).

The spelling of 1421431412 in words is "one billion, four hundred twenty-one million, four hundred thirty-one thousand, four hundred twelve".