1421124412 has 12 divisors (see below), whose sum is σ = 2506551040. Its totient is φ = 704966976.

The previous prime is 1421124389. The next prime is 1421124461. The reversal of 1421124412 is 2144211241.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 1398237 + ... + 1399252.

Almost surely, 2^1421124412 is an apocalyptic number.

It is an amenable number.

1421124412 is a deficient number, since it is larger than the sum of its proper divisors (1085426628).

1421124412 is a wasteful number, since it uses less digits than its factorization.

1421124412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797620 (or 2797618 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 1421124412 is about 37697.8038087101. The cubic root of 1421124412 is about 1124.2874597737.

Adding to 1421124412 its reverse (2144211241), we get a palindrome (3565335653).

The spelling of 1421124412 in words is "one billion, four hundred twenty-one million, one hundred twenty-four thousand, four hundred twelve".