123025617 has 48 divisors (see below), whose sum is σ = 221090688. Its totient is φ = 64765440.

The previous prime is 123025613. The next prime is 123025619. The reversal of 123025617 is 716520321.

It is a happy number.

123025617 is a `hidden beast` number, since 1 + 23 + 0 + 25 + 617 = 666.

It is not a de Polignac number, because 123025617 - 2² = 123025613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123025613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19068 + ... + 24690.

It is an arithmetic number, because the mean of its divisors is an integer number (4606056).

Almost surely, 2^123025617 is an apocalyptic number.

123025617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

123025617 is a deficient number, since it is larger than the sum of its proper divisors (98065071).

123025617 is a wasteful number, since it uses less digits than its factorization.

123025617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670 (or 5667 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 123025617 is about 11091.6913498348. The cubic root of 123025617 is about 497.3535061888.

Adding to 123025617 its reverse (716520321), we get a palindrome (839545938).

The spelling of 123025617 in words is "one hundred twenty-three million, twenty-five thousand, six hundred seventeen".