1021404104 has 32 divisors (see below), whose sum is σ = 2205972480. Its totient is φ = 434294784.

The previous prime is 1021404091. The next prime is 1021404107. The reversal of 1021404104 is 4014041201.

1021404104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1021404107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64697 + ... + 78920.

It is an arithmetic number, because the mean of its divisors is an integer number (68936640).

Almost surely, 2^1021404104 is an apocalyptic number.

1021404104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1021404104 is an abundant number, since it is smaller than the sum of its proper divisors (1184568376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021404104 is a wasteful number, since it uses less digits than its factorization.

1021404104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143757 (or 143753 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1021404104 is about 31959.4133863561. The cubic root of 1021404104 is about 1007.0843941738.

Adding to 1021404104 its reverse (4014041201), we get a palindrome (5035445305).

The spelling of 1021404104 in words is "one billion, twenty-one million, four hundred four thousand, one hundred four".