1101122004 has 24 divisors (see below), whose sum is σ = 2589518848. Its totient is φ = 364150080.

The previous prime is 1101122003. The next prime is 1101122017. The reversal of 1101122004 is 4002211011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101122003) 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, 359737 + ... + 362784.

Almost surely, 2^1101122004 is an apocalyptic number.

It is an amenable number.

1101122004 is an abundant number, since it is smaller than the sum of its proper divisors (1488396844).

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

1101122004 is a wasteful number, since it uses less digits than its factorization.

1101122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722655 (or 722653 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1101122004 is about 33183.1584391842. The cubic root of 1101122004 is about 1032.6309726820.

Adding to 1101122004 its reverse (4002211011), we get a palindrome (5103333015).

The spelling of 1101122004 in words is "one billion, one hundred one million, one hundred twenty-two thousand, four".