1021104434 has 24 divisors (see below), whose sum is σ = 1787505408. Its totient is φ = 436196040.

The previous prime is 1021104401. The next prime is 1021104449. The reversal of 1021104434 is 4344011201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13727 + ... + 47229.

It is an arithmetic number, because the mean of its divisors is an integer number (74479392).

Almost surely, 2^1021104434 is an apocalyptic number.

1021104434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1021104434 is a deficient number, since it is larger than the sum of its proper divisors (766400974).

1021104434 is a wasteful number, since it uses less digits than its factorization.

1021104434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33830 (or 33823 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1021104434 is about 31954.7247523743. The cubic root of 1021104434 is about 1006.9858949613.

Adding to 1021104434 its reverse (4344011201), we get a palindrome (5365115635).

The spelling of 1021104434 in words is "one billion, twenty-one million, one hundred four thousand, four hundred thirty-four".