1204131401 has 4 divisors (see below), whose sum is σ = 1313597904. Its totient is φ = 1094664900.

The previous prime is 1204131391. The next prime is 1204131421. The reversal of 1204131401 is 1041314021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1204131401 - 2³⁰ = 130389577 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 1204131401.

It is not an unprimeable number, because it can be changed into a prime (1204131421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54733235 + ... + 54733256.

It is an arithmetic number, because the mean of its divisors is an integer number (328399476).

Almost surely, 2^1204131401 is an apocalyptic number.

1204131401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1204131401 is a deficient number, since it is larger than the sum of its proper divisors (109466503).

1204131401 is a wasteful number, since it uses less digits than its factorization.

1204131401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109466502.

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

The square root of 1204131401 is about 34700.5965510681. The cubic root of 1204131401 is about 1063.8766913959.

Adding to 1204131401 its reverse (1041314021), we get a palindrome (2245445422).

It can be divided in two parts, 1 and 204131401, that added together give a palindrome (204131402).

The spelling of 1204131401 in words is "one billion, two hundred four million, one hundred thirty-one thousand, four hundred one".