1421612938 has 8 divisors (see below), whose sum is σ = 2182010688. Its totient is φ = 694276044.

The previous prime is 1421612921. The next prime is 1421612939. The reversal of 1421612938 is 8392161241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1421612897 and 1421612906.

It is not an unprimeable number, because it can be changed into a prime (1421612939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8265106 + ... + 8265277.

It is an arithmetic number, because the mean of its divisors is an integer number (272751336).

Almost surely, 2^1421612938 is an apocalyptic number.

1421612938 is a deficient number, since it is larger than the sum of its proper divisors (760397750).

1421612938 is a wasteful number, since it uses less digits than its factorization.

1421612938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16530428.

The product of its digits is 20736, while the sum is 37.

The square root of 1421612938 is about 37704.2827540851. The cubic root of 1421612938 is about 1124.4162734387.

The spelling of 1421612938 in words is "one billion, four hundred twenty-one million, six hundred twelve thousand, nine hundred thirty-eight".