1421027424 has 36 divisors (see below), whose sum is σ = 4041047556. Its totient is φ = 473675712.

The previous prime is 1421027411. The next prime is 1421027437. The reversal of 1421027424 is 4247201241.

1421027424 is a `hidden beast` number, since 1 + 4 + 210 + 27 + 424 = 666.

It is an interprime number because it is at equal distance from previous prime (1421027411) and next prime (1421027437).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2466774 + ... + 2467349.

It is an arithmetic number, because the mean of its divisors is an integer number (112251321).

Almost surely, 2^1421027424 is an apocalyptic number.

It is an amenable number.

1421027424 is an abundant number, since it is smaller than the sum of its proper divisors (2620020132).

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

1421027424 is a wasteful number, since it uses less digits than its factorization.

1421027424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934139 (or 4934128 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 1421027424 is about 37696.5173988261. The cubic root of 1421027424 is about 1124.2618826387.

Adding to 1421027424 its reverse (4247201241), we get a palindrome (5668228665).

The spelling of 1421027424 in words is "one billion, four hundred twenty-one million, twenty-seven thousand, four hundred twenty-four".