1421631122 has 8 divisors (see below), whose sum is σ = 2134601472. Its totient is φ = 710097300.

The previous prime is 1421631121. The next prime is 1421631151. The reversal of 1421631122 is 2211361241.

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

It is not an unprimeable number, because it can be changed into a prime (1421631121) 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, 356654 + ... + 360617.

It is an arithmetic number, because the mean of its divisors is an integer number (266825184).

Almost surely, 2^1421631122 is an apocalyptic number.

1421631122 is a deficient number, since it is larger than the sum of its proper divisors (712970350).

1421631122 is an equidigital number, since it uses as much as digits as its factorization.

1421631122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718264.

The product of its digits is 576, while the sum is 23.

The square root of 1421631122 is about 37704.5238930291. The cubic root of 1421631122 is about 1124.4210675937.

Adding to 1421631122 its reverse (2211361241), we get a palindrome (3632992363).

The spelling of 1421631122 in words is "one billion, four hundred twenty-one million, six hundred thirty-one thousand, one hundred twenty-two".