123285245 has 8 divisors (see below), whose sum is σ = 148829184. Its totient is φ = 98036944.

The previous prime is 123285229. The next prime is 123285251. The reversal of 123285245 is 542582321.

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

It is a cyclic number.

It is not a de Polignac number, because 123285245 - 2⁴ = 123285229 is a prime.

It is a Duffinian number.

It is a congruent 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, 72989 + ... + 74658.

It is an arithmetic number, because the mean of its divisors is an integer number (18603648).

Almost surely, 2^123285245 is an apocalyptic number.

It is an amenable number.

123285245 is a deficient number, since it is larger than the sum of its proper divisors (25543939).

123285245 is a wasteful number, since it uses less digits than its factorization.

123285245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147819.

The product of its digits is 19200, while the sum is 32.

The square root of 123285245 is about 11103.3888970890. The cubic root of 123285245 is about 497.7031248861.

The spelling of 123285245 in words is "one hundred twenty-three million, two hundred eighty-five thousand, two hundred forty-five".