123941776 has 60 divisors (see below), whose sum is σ = 281483100. Its totient is φ = 52711680.

The previous prime is 123941771. The next prime is 123941791. The reversal of 123941776 is 677149321.

It can be written as a sum of positive squares in 2 ways, for example, as 45158400 + 78783376 = 6720^2 + 8876^2 .

It is not an unprimeable number, because it can be changed into a prime (123941771) 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 11 ways as a sum of consecutive naturals, for example, 116286 + ... + 117346.

It is an arithmetic number, because the mean of its divisors is an integer number (4691385).

Almost surely, 2^123941776 is an apocalyptic number.

123941776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123941776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140741550).

123941776 is an abundant number, since it is smaller than the sum of its proper divisors (157541324).

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

123941776 is a wasteful number, since it uses less digits than its factorization.

123941776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1219 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 123941776 is about 11132.9140839225. The cubic root of 123941776 is about 498.5850341874.

The spelling of 123941776 in words is "one hundred twenty-three million, nine hundred forty-one thousand, seven hundred seventy-six".