123654072 has 32 divisors (see below), whose sum is σ = 322577280. Its totient is φ = 39425760.

The previous prime is 123654067. The next prime is 123654077. The reversal of 123654072 is 270456321.

It is an interprime number because it is at equal distance from previous prime (123654067) and next prime (123654077).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123654077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111454 + ... + 112557.

It is an arithmetic number, because the mean of its divisors is an integer number (10080540).

Almost surely, 2^123654072 is an apocalyptic number.

123654072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123654072 is an abundant number, since it is smaller than the sum of its proper divisors (198923208).

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

123654072 is a wasteful number, since it uses less digits than its factorization.

123654072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224043 (or 224039 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 123654072 is about 11119.9852517888. The cubic root of 123654072 is about 498.1989495576.

The spelling of 123654072 in words is "one hundred twenty-three million, six hundred fifty-four thousand, seventy-two".