1401152321 has 8 divisors (see below), whose sum is σ = 1475246400. Its totient is φ = 1327093200.

The previous prime is 1401152303. The next prime is 1401152339. The reversal of 1401152321 is 1232511041.

It is an interprime number because it is at equal distance from previous prime (1401152303) and next prime (1401152339).

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-1401152321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401152293 and 1401152302.

It is not an unprimeable number, because it can be changed into a prime (1401152351) 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, 130871 + ... + 141171.

It is an arithmetic number, because the mean of its divisors is an integer number (184405800).

Almost surely, 2^1401152321 is an apocalyptic number.

It is an amenable number.

1401152321 is a deficient number, since it is larger than the sum of its proper divisors (74094079).

1401152321 is a wasteful number, since it uses less digits than its factorization.

1401152321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17479.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1401152321 is about 37431.9692375381. The cubic root of 1401152321 is about 1118.9957838064.

Adding to 1401152321 its reverse (1232511041), we get a palindrome (2633663362).

The spelling of 1401152321 in words is "one billion, four hundred one million, one hundred fifty-two thousand, three hundred twenty-one".