123245151 has 4 divisors (see below), whose sum is σ = 164326872. Its totient is φ = 82163432.

The previous prime is 123245081. The next prime is 123245167. The reversal of 123245151 is 151542321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123245151 - 2¹¹ = 123243103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123245051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20540856 + ... + 20540861.

It is an arithmetic number, because the mean of its divisors is an integer number (41081718).

Almost surely, 2^123245151 is an apocalyptic number.

123245151 is a deficient number, since it is larger than the sum of its proper divisors (41081721).

123245151 is an equidigital number, since it uses as much as digits as its factorization.

123245151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41081720.

The product of its digits is 1200, while the sum is 24.

The square root of 123245151 is about 11101.5832654626. The cubic root of 123245151 is about 497.6491658128.

Adding to 123245151 its reverse (151542321), we get a palindrome (274787472).

The spelling of 123245151 in words is "one hundred twenty-three million, two hundred forty-five thousand, one hundred fifty-one".