1201330401 has 8 divisors (see below), whose sum is σ = 1628032704. Its totient is φ = 787757520.

The previous prime is 1201330379. The next prime is 1201330433. The reversal of 1201330401 is 1040331021.

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

It is not a de Polignac number, because 1201330401 - 2¹¹ = 1201328353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201332401) 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, 3282141 + ... + 3282506.

It is an arithmetic number, because the mean of its divisors is an integer number (203504088).

Almost surely, 2^1201330401 is an apocalyptic number.

It is an amenable number.

1201330401 is a deficient number, since it is larger than the sum of its proper divisors (426702303).

1201330401 is an equidigital number, since it uses as much as digits as its factorization.

1201330401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564711.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1201330401 is about 34660.2135163648. The cubic root of 1201330401 is about 1063.0511358161.

Adding to 1201330401 its reverse (1040331021), we get a palindrome (2241661422).

The spelling of 1201330401 in words is "one billion, two hundred one million, three hundred thirty thousand, four hundred one".