1401122321 has 8 divisors (see below), whose sum is σ = 1413191520. Its totient is φ = 1389100608.

The previous prime is 1401122299. The next prime is 1401122323. The reversal of 1401122321 is 1232211041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401122321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401122321.

It is not an unprimeable number, because it can be changed into a prime (1401122323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48710 + ... + 71936.

It is an arithmetic number, because the mean of its divisors is an integer number (176648940).

Almost surely, 2^1401122321 is an apocalyptic number.

It is an amenable number.

1401122321 is a deficient number, since it is larger than the sum of its proper divisors (12069199).

1401122321 is a wasteful number, since it uses less digits than its factorization.

1401122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23743.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1401122321 is about 37431.5685084128. The cubic root of 1401122321 is about 1118.9877974957.

Adding to 1401122321 its reverse (1232211041), we get a palindrome (2633333362).

The spelling of 1401122321 in words is "one billion, four hundred one million, one hundred twenty-two thousand, three hundred twenty-one".