1421043504 has 20 divisors (see below), whose sum is σ = 3671029176. Its totient is φ = 473681152.

The previous prime is 1421043499. The next prime is 1421043511. The reversal of 1421043504 is 4053401241.

It is a super-3 number, since 3×1421043504³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 14802489 + ... + 14802584.

Almost surely, 2^1421043504 is an apocalyptic number.

It is an amenable number.

1421043504 is an abundant number, since it is smaller than the sum of its proper divisors (2249985672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421043504 is a wasteful number, since it uses less digits than its factorization.

1421043504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29605084 (or 29605078 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1421043504 is about 37696.7306805245. The cubic root of 1421043504 is about 1124.2661232472.

Adding to 1421043504 its reverse (4053401241), we get a palindrome (5474444745).

The spelling of 1421043504 in words is "one billion, four hundred twenty-one million, forty-three thousand, five hundred four".