1200321401 has 8 divisors (see below), whose sum is σ = 1252930560. Its totient is φ = 1147747392.

The previous prime is 1200321389. The next prime is 1200321433. The reversal of 1200321401 is 1041230021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200321401 - 2⁶ = 1200321337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200321491) 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, 80360 + ... + 94118.

It is an arithmetic number, because the mean of its divisors is an integer number (156616320).

Almost surely, 2^1200321401 is an apocalyptic number.

It is an amenable number.

1200321401 is a deficient number, since it is larger than the sum of its proper divisors (52609159).

1200321401 is a wasteful number, since it uses less digits than its factorization.

1200321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17575.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1200321401 is about 34645.6548646436. The cubic root of 1200321401 is about 1062.7534328047.

Adding to 1200321401 its reverse (1041230021), we get a palindrome (2241551422).

The spelling of 1200321401 in words is "one billion, two hundred million, three hundred twenty-one thousand, four hundred one".