123045587 has 8 divisors (see below), whose sum is σ = 141868896. Its totient is φ = 104533632.

The previous prime is 123045583. The next prime is 123045589. The reversal of 123045587 is 785540321.

It is a happy number.

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

It is not a de Polignac number, because 123045587 - 2² = 123045583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123045583) 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, 76988 + ... + 78569.

It is an arithmetic number, because the mean of its divisors is an integer number (17733612).

Almost surely, 2^123045587 is an apocalyptic number.

123045587 is a deficient number, since it is larger than the sum of its proper divisors (18823309).

123045587 is a wasteful number, since it uses less digits than its factorization.

123045587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155677.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 123045587 is about 11092.5915366969. The cubic root of 123045587 is about 497.3804155226.

The spelling of 123045587 in words is "one hundred twenty-three million, forty-five thousand, five hundred eighty-seven".