123849560 has 32 divisors (see below), whose sum is σ = 282592800. Its totient is φ = 48840960.

The previous prime is 123849553. The next prime is 123849571. The reversal of 123849560 is 65948321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18965 + ... + 24644.

It is an arithmetic number, because the mean of its divisors is an integer number (8831025).

Almost surely, 2^123849560 is an apocalyptic number.

123849560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123849560 is an abundant number, since it is smaller than the sum of its proper divisors (158743240).

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

123849560 is a wasteful number, since it uses less digits than its factorization.

123849560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43691 (or 43687 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 123849560 is about 11128.7717201855. The cubic root of 123849560 is about 498.4613499691.

The spelling of 123849560 in words is "one hundred twenty-three million, eight hundred forty-nine thousand, five hundred sixty".