1421000412 has 24 divisors (see below), whose sum is σ = 3570719376. Its totient is φ = 437230848.

The previous prime is 1421000401. The next prime is 1421000431. The reversal of 1421000412 is 2140001241.

It is a junction number, because it is equal to n+sod(n) for n = 1421000391 and 1421000400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4554333 + ... + 4554644.

It is an arithmetic number, because the mean of its divisors is an integer number (148779974).

Almost surely, 2^1421000412 is an apocalyptic number.

1421000412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421000412 is an abundant number, since it is smaller than the sum of its proper divisors (2149718964).

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

1421000412 is a wasteful number, since it uses less digits than its factorization.

1421000412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108997 (or 9108995 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1421000412 is about 37696.1591146897. The cubic root of 1421000412 is about 1124.2547589774.

Adding to 1421000412 its reverse (2140001241), we get a palindrome (3561001653).

The spelling of 1421000412 in words is "one billion, four hundred twenty-one million, four hundred twelve", and thus it is an aban number.