1201134401 has 8 divisors (see below), whose sum is σ = 1270123008. Its totient is φ = 1134036000.

The previous prime is 1201134379. The next prime is 1201134427. The reversal of 1201134401 is 1044311021.

It is a happy number.

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 1201134401 - 2²⁶ = 1134025537 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 1201134401.

It is not an unprimeable number, because it can be changed into a prime (1201134101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471245 + ... + 473786.

It is an arithmetic number, because the mean of its divisors is an integer number (158765376).

Almost surely, 2^1201134401 is an apocalyptic number.

It is an amenable number.

1201134401 is a deficient number, since it is larger than the sum of its proper divisors (68988607).

1201134401 is an equidigital number, since it uses as much as digits as its factorization.

1201134401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945103.

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

The square root of 1201134401 is about 34657.3859516265. The cubic root of 1201134401 is about 1062.9933195388.

Adding to 1201134401 its reverse (1044311021), we get a palindrome (2245445422).

The spelling of 1201134401 in words is "one billion, two hundred one million, one hundred thirty-four thousand, four hundred one".