245012123 has 8 divisors (see below), whose sum is σ = 256318368. Its totient is φ = 233760384.

The previous prime is 245012111. The next prime is 245012129. The reversal of 245012123 is 321210542.

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 245012123 - 2⁶ = 245012059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245012095 and 245012104.

It is not an unprimeable number, because it can be changed into a prime (245012129) 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, 4286 + ... + 22547.

It is an arithmetic number, because the mean of its divisors is an integer number (32039796).

Almost surely, 2^245012123 is an apocalyptic number.

245012123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

245012123 is a deficient number, since it is larger than the sum of its proper divisors (11306245).

245012123 is a wasteful number, since it uses less digits than its factorization.

245012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27253.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 245012123 is about 15652.8630927380. The cubic root of 245012123 is about 625.7427951522.

Adding to 245012123 its reverse (321210542), we get a palindrome (566222665).

The spelling of 245012123 in words is "two hundred forty-five million, twelve thousand, one hundred twenty-three".