1115126604 has 72 divisors (see below), whose sum is σ = 2878909488. Its totient is φ = 363841920.

The previous prime is 1115126563. The next prime is 1115126629. The reversal of 1115126604 is 4066215111.

1115126604 is a `hidden beast` number, since 1 + 1 + 1 + 51 + 2 + 6 + 604 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497374 + ... + 499610.

It is an arithmetic number, because the mean of its divisors is an integer number (39984854).

Almost surely, 2^1115126604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115126604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439454744).

1115126604 is an abundant number, since it is smaller than the sum of its proper divisors (1763782884).

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

1115126604 is a wasteful number, since it uses less digits than its factorization.

1115126604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1115126604 is about 33393.5114056608. The cubic root of 1115126604 is about 1036.9903756174.

The spelling of 1115126604 in words is "one billion, one hundred fifteen million, one hundred twenty-six thousand, six hundred four".