1122089838 has 16 divisors (see below), whose sum is σ = 2247920976. Its totient is φ = 373406400.

The previous prime is 1122089827. The next prime is 1122089911. The reversal of 1122089838 is 8389802211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122089838.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 151981 + ... + 159192.

It is an arithmetic number, because the mean of its divisors is an integer number (140495061).

Almost surely, 2^1122089838 is an apocalyptic number.

1122089838 is an abundant number, since it is smaller than the sum of its proper divisors (1125831138).

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

1122089838 is a wasteful number, since it uses less digits than its factorization.

1122089838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311779.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1122089838 is about 33497.6094370927. The cubic root of 1122089838 is about 1039.1443399611.

The spelling of 1122089838 in words is "one billion, one hundred twenty-two million, eighty-nine thousand, eight hundred thirty-eight".