1021104406 has 8 divisors (see below), whose sum is σ = 1750464720. Its totient is φ = 437616168.

The previous prime is 1021104401. The next prime is 1021104449. The reversal of 1021104406 is 6044011201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1021104406² = 2085308415905225672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021104401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36468001 + ... + 36468028.

It is an arithmetic number, because the mean of its divisors is an integer number (218808090).

Almost surely, 2^1021104406 is an apocalyptic number.

1021104406 is a deficient number, since it is larger than the sum of its proper divisors (729360314).

1021104406 is an equidigital number, since it uses as much as digits as its factorization.

1021104406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72936038.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1021104406 is about 31954.7243142544. The cubic root of 1021104406 is about 1006.9858857571.

Adding to 1021104406 its reverse (6044011201), we get a palindrome (7065115607).

The spelling of 1021104406 in words is "one billion, twenty-one million, one hundred four thousand, four hundred six".