1123895860 has 24 divisors (see below), whose sum is σ = 2362540320. Its totient is φ = 449109024.

The previous prime is 1123895837. The next prime is 1123895863. The reversal of 1123895860 is 685983211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123895863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7194 + ... + 47953.

It is an arithmetic number, because the mean of its divisors is an integer number (98439180).

Almost surely, 2^1123895860 is an apocalyptic number.

1123895860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123895860 is an abundant number, since it is smaller than the sum of its proper divisors (1238644460).

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

1123895860 is a wasteful number, since it uses less digits than its factorization.

1123895860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56175 (or 56173 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1123895860 is about 33524.5560746149. The cubic root of 1123895860 is about 1039.7015477430.

The spelling of 1123895860 in words is "one billion, one hundred twenty-three million, eight hundred ninety-five thousand, eight hundred sixty".