1123604240004 has 45 divisors (see below), whose sum is σ = 2937373309717. Its totient is φ = 374528386656.

The previous prime is 1123604239973. The next prime is 1123604240029. The reversal of 1123604240004 is 4000424063211.

It is a happy number.

The square root of 1123604240004 is 1060002.

It is a perfect power (a square), and thus also a powerful number.

1123604240004 is a `hidden beast` number, since 1 + 1 + 236 + 0 + 424 + 0 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 247508240004 + 876096000000 = 497502^2 + 936000^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123604240004.

It is an unprimeable number.

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 14 ways as a sum of consecutive naturals, for example, 19050592 + ... + 19109480.

Almost surely, 2^{1123604240004} is an apocalyptic number.

1123604240004 is the 1060002-nd square number.

It is an amenable number.

1123604240004 is an abundant number, since it is smaller than the sum of its proper divisors (1813769069713).

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

1123604240004 is an frugal number, since it uses more digits than its factorization.

1123604240004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117794 (or 58894 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 1123604240004 in words is "one trillion, one hundred twenty-three billion, six hundred four million, two hundred forty thousand, four".