1204440629 has 12 divisors (see below), whose sum is σ = 1401806700. Its totient is φ = 1031845248.

The previous prime is 1204440623. The next prime is 1204440631. The reversal of 1204440629 is 9260444021.

It can be written as a sum of positive squares in 2 ways, for example, as 698280625 + 506160004 = 26425^2 + 22498^2 .

It is not a de Polignac number, because 1204440629 - 2¹² = 1204436533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1204440595 and 1204440604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204440623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111917 + ... + 122205.

It is an arithmetic number, because the mean of its divisors is an integer number (116817225).

Almost surely, 2^1204440629 is an apocalyptic number.

It is an amenable number.

1204440629 is a deficient number, since it is larger than the sum of its proper divisors (197366071).

1204440629 is a wasteful number, since it uses less digits than its factorization.

1204440629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12692 (or 12685 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1204440629 is about 34705.0519233151. The cubic root of 1204440629 is about 1063.9677535241.

The spelling of 1204440629 in words is "one billion, two hundred four million, four hundred forty thousand, six hundred twenty-nine".