123771060 has 108 divisors (see below), whose sum is σ = 436766148. Its totient is φ = 28288512.

The previous prime is 123771019. The next prime is 123771077. The reversal of 123771060 is 60177321.

It can be written as a sum of positive squares in 2 ways, for example, as 28005264 + 95765796 = 5292^2 + 9786^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1804 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (4044131).

Almost surely, 2^123771060 is an apocalyptic number.

123771060 is a gapful number since it is divisible by the number (10) 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 123771060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218383074).

123771060 is an abundant number, since it is smaller than the sum of its proper divisors (312995088).

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

123771060 is a wasteful number, since it uses less digits than its factorization.

123771060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14062 (or 14050 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 123771060 is about 11125.2442669813. The cubic root of 123771060 is about 498.3560138768.

The spelling of 123771060 in words is "one hundred twenty-three million, seven hundred seventy-one thousand, sixty".