1204622431 has 16 divisors (see below), whose sum is σ = 1316875104. Its totient is φ = 1097293824.

The previous prime is 1204622417. The next prime is 1204622453. The reversal of 1204622431 is 1342264021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1204622431 - 2⁹ = 1204621919 is a prime.

It is a super-2 number, since 2×1204622431² = 2902230402536699522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204622396 and 1204622405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204622491) 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 15 ways as a sum of consecutive naturals, for example, 116436 + ... + 126358.

It is an arithmetic number, because the mean of its divisors is an integer number (82304694).

Almost surely, 2^1204622431 is an apocalyptic number.

1204622431 is a deficient number, since it is larger than the sum of its proper divisors (112252673).

1204622431 is a wasteful number, since it uses less digits than its factorization.

1204622431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1204622431 is about 34707.6710685116. The cubic root of 1204622431 is about 1064.0212836939.

Adding to 1204622431 its reverse (1342264021), we get a palindrome (2546886452).

The spelling of 1204622431 in words is "one billion, two hundred four million, six hundred twenty-two thousand, four hundred thirty-one".