1021233404 has 6 divisors (see below), whose sum is σ = 1787158464. Its totient is φ = 510616700.

The previous prime is 1021233397. The next prime is 1021233407. The reversal of 1021233404 is 4043321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021233407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127654172 + ... + 127654179.

It is an arithmetic number, because the mean of its divisors is an integer number (297859744).

Almost surely, 2^1021233404 is an apocalyptic number.

It is an amenable number.

1021233404 is a deficient number, since it is larger than the sum of its proper divisors (765925060).

1021233404 is a wasteful number, since it uses less digits than its factorization.

1021233404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255308355 (or 255308353 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1021233404 is about 31956.7427000938. The cubic root of 1021233404 is about 1007.0282887653.

Adding to 1021233404 its reverse (4043321201), we get a palindrome (5064554605).

The spelling of 1021233404 in words is "one billion, twenty-one million, two hundred thirty-three thousand, four hundred four".