123861296 has 40 divisors (see below), whose sum is σ = 262847760. Its totient is φ = 56192256.

The previous prime is 123861277. The next prime is 123861313. The reversal of 123861296 is 692168321.

It is a happy 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, 7226 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (6571194).

Almost surely, 2^123861296 is an apocalyptic number.

123861296 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 123861296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131423880).

123861296 is an abundant number, since it is smaller than the sum of its proper divisors (138986464).

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

123861296 is a wasteful number, since it uses less digits than its factorization.

123861296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173 (or 10167 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 123861296 is about 11129.2989896040. The cubic root of 123861296 is about 498.4770942253.

The spelling of 123861296 in words is "one hundred twenty-three million, eight hundred sixty-one thousand, two hundred ninety-six".