123254499 has 4 divisors (see below), whose sum is σ = 164339336. Its totient is φ = 82169664.

The previous prime is 123254491. The next prime is 123254503. The reversal of 123254499 is 994452321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994452321 = 3 ⋅331484107.

It is not a de Polignac number, because 123254499 - 2³ = 123254491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123254491) 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, 20542414 + ... + 20542419.

It is an arithmetic number, because the mean of its divisors is an integer number (41084834).

Almost surely, 2^123254499 is an apocalyptic number.

123254499 is a deficient number, since it is larger than the sum of its proper divisors (41084837).

123254499 is an equidigital number, since it uses as much as digits as its factorization.

123254499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41084836.

The product of its digits is 77760, while the sum is 39.

The square root of 123254499 is about 11102.0042785076. The cubic root of 123254499 is about 497.6617475297.

It can be divided in two parts, 123254 and 499, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 123254499 in words is "one hundred twenty-three million, two hundred fifty-four thousand, four hundred ninety-nine".