123242000 has 80 divisors (see below), whose sum is σ = 340609152. Its totient is φ = 42249600.

The previous prime is 123241997. The next prime is 123242003. The reversal of 123242000 is 242321.

It is an interprime number because it is at equal distance from previous prime (123241997) and next prime (123242003).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (123242003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9599 + ... + 18401.

Almost surely, 2^123242000 is an apocalyptic number.

123242000 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 123242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170304576).

123242000 is an abundant number, since it is smaller than the sum of its proper divisors (217367152).

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

123242000 is an equidigital number, since it uses as much as digits as its factorization.

123242000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833 (or 8817 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 123242000 is about 11101.4413478611. The cubic root of 123242000 is about 497.6449246564.

Adding to 123242000 its reverse (242321), we get a palindrome (123484321).

The spelling of 123242000 in words is "one hundred twenty-three million, two hundred forty-two thousand".