1421221034 has 8 divisors (see below), whose sum is σ = 2132904000. Its totient is φ = 710253036.

The previous prime is 1421220959. The next prime is 1421221057. The reversal of 1421221034 is 4301221241.

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 = 1421220997 and 1421221015.

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, 173744 + ... + 181739.

It is an arithmetic number, because the mean of its divisors is an integer number (266613000).

Almost surely, 2^1421221034 is an apocalyptic number.

1421221034 is a deficient number, since it is larger than the sum of its proper divisors (711682966).

1421221034 is a wasteful number, since it uses less digits than its factorization.

1421221034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357484.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1421221034 is about 37699.0853204690. The cubic root of 1421221034 is about 1124.3129392322.

Adding to 1421221034 its reverse (4301221241), we get a palindrome (5722442275).

The spelling of 1421221034 in words is "one billion, four hundred twenty-one million, two hundred twenty-one thousand, thirty-four".