1021412404 has 24 divisors (see below), whose sum is σ = 1807344000. Its totient is φ = 505046880.

The previous prime is 1021412401. The next prime is 1021412407. The reversal of 1021412404 is 4042141201.

It is an interprime number because it is at equal distance from previous prime (1021412401) and next prime (1021412407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021412401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259209 + ... + 263119.

It is an arithmetic number, because the mean of its divisors is an integer number (75306000).

Almost surely, 2^1021412404 is an apocalyptic number.

It is an amenable number.

1021412404 is a deficient number, since it is larger than the sum of its proper divisors (785931596).

1021412404 is a wasteful number, since it uses less digits than its factorization.

1021412404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623 (or 4621 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1021412404 is about 31959.5432382880. The cubic root of 1021412404 is about 1007.0871220454.

Adding to 1021412404 its reverse (4042141201), we get a palindrome (5063553605).

The spelling of 1021412404 in words is "one billion, twenty-one million, four hundred twelve thousand, four hundred four".