123978096 has 240 divisors, whose sum is σ = 409473792. Its totient is φ = 34636800.

The previous prime is 123978091. The next prime is 123978109. The reversal of 123978096 is 690879321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123978091) 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 47 ways as a sum of consecutive naturals, for example, 1493671 + ... + 1493753.

Almost surely, 2^123978096 is an apocalyptic number.

123978096 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 123978096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204736896).

123978096 is an abundant number, since it is smaller than the sum of its proper divisors (285495696).

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

123978096 is a wasteful number, since it uses less digits than its factorization.

123978096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 123978096 is about 11134.5451635889. The cubic root of 123978096 is about 498.6337313538.

The spelling of 123978096 in words is "one hundred twenty-three million, nine hundred seventy-eight thousand, ninety-six".