1421043924 has 12 divisors (see below), whose sum is σ = 3315769184. Its totient is φ = 473681304.

The previous prime is 1421043917. The next prime is 1421043931. The reversal of 1421043924 is 4293401241.

It is an interprime number because it is at equal distance from previous prime (1421043917) and next prime (1421043931).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1421043891 and 1421043900.

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, 59210152 + ... + 59210175.

Almost surely, 2^1421043924 is an apocalyptic number.

It is an amenable number.

1421043924 is an abundant number, since it is smaller than the sum of its proper divisors (1894725260).

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

1421043924 is a wasteful number, since it uses less digits than its factorization.

1421043924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118420334 (or 118420332 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1421043924 is about 37696.7362512990. The cubic root of 1421043924 is about 1124.2662340090.

The spelling of 1421043924 in words is "one billion, four hundred twenty-one million, forty-three thousand, nine hundred twenty-four".