123529748 has 6 divisors (see below), whose sum is σ = 216177066. Its totient is φ = 61764872.

The previous prime is 123529729. The next prime is 123529751. The reversal of 123529748 is 847925321.

It can be written as a sum of positive squares in only one way, i.e., 114661264 + 8868484 = 10708^2 + 2978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15441215 + ... + 15441222.

It is an arithmetic number, because the mean of its divisors is an integer number (36029511).

Almost surely, 2^123529748 is an apocalyptic number.

It is an amenable number.

123529748 is a deficient number, since it is larger than the sum of its proper divisors (92647318).

123529748 is a wasteful number, since it uses less digits than its factorization.

123529748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30882441 (or 30882439 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 123529748 is about 11114.3937306540. The cubic root of 123529748 is about 498.0319275456.

The spelling of 123529748 in words is "one hundred twenty-three million, five hundred twenty-nine thousand, seven hundred forty-eight".