123754545 has 24 divisors (see below), whose sum is σ = 214835712. Its totient is φ = 65901600.

The previous prime is 123754537. The next prime is 123754591. The reversal of 123754545 is 545457321.

It is not a de Polignac number, because 123754545 - 2³ = 123754537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34800 + ... + 38190.

It is an arithmetic number, because the mean of its divisors is an integer number (8951488).

Almost surely, 2^123754545 is an apocalyptic number.

123754545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123754545 is a deficient number, since it is larger than the sum of its proper divisors (91081167).

123754545 is a wasteful number, since it uses less digits than its factorization.

123754545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213 (or 4210 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 123754545 is about 11124.5020113262. The cubic root of 123754545 is about 498.3338473713. Note that the first 3 decimals are identical.

The spelling of 123754545 in words is "one hundred twenty-three million, seven hundred fifty-four thousand, five hundred forty-five".