1105021004 has 12 divisors (see below), whose sum is σ = 1937930904. Its totient is φ = 551326464.

The previous prime is 1105020997. The next prime is 1105021007. The reversal of 1105021004 is 4001205011.

It is a self number, because there is not a number n which added to its sum of digits gives 1105021004.

It is not an unprimeable number, because it can be changed into a prime (1105021007) 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 3 ways as a sum of consecutive naturals, for example, 293909 + ... + 297644.

It is an arithmetic number, because the mean of its divisors is an integer number (161494242).

Almost surely, 2^1105021004 is an apocalyptic number.

It is an amenable number.

1105021004 is a deficient number, since it is larger than the sum of its proper divisors (832909900).

1105021004 is a wasteful number, since it uses less digits than its factorization.

1105021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592024 (or 592022 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1105021004 is about 33241.8562056934. The cubic root of 1105021004 is about 1033.8483628447.

Adding to 1105021004 its reverse (4001205011), we get a palindrome (5106226015).

The spelling of 1105021004 in words is "one billion, one hundred five million, twenty-one thousand, four".