123225971 has 8 divisors (see below), whose sum is σ = 136270704. Its totient is φ = 110488320.

The previous prime is 123225919. The next prime is 123225989. The reversal of 123225971 is 179522321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123225971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123225071) 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, 75926 + ... + 77531.

It is an arithmetic number, because the mean of its divisors is an integer number (17033838).

Almost surely, 2^123225971 is an apocalyptic number.

123225971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123225971 is a deficient number, since it is larger than the sum of its proper divisors (13044733).

123225971 is a wasteful number, since it uses less digits than its factorization.

123225971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153541.

The product of its digits is 7560, while the sum is 32.

The square root of 123225971 is about 11100.7193911025. The cubic root of 123225971 is about 497.6233489589.

The spelling of 123225971 in words is "one hundred twenty-three million, two hundred twenty-five thousand, nine hundred seventy-one".