123037489 has 4 divisors (see below), whose sum is σ = 123548260. Its totient is φ = 122526720.

The previous prime is 123037487. The next prime is 123037501. The reversal of 123037489 is 984730321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83448225 + 39589264 = 9135^2 + 6292^2 .

It is a cyclic number.

It is not a de Polignac number, because 123037489 - 2¹ = 123037487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123037487) 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, 255024 + ... + 255505.

It is an arithmetic number, because the mean of its divisors is an integer number (30887065).

Almost surely, 2^123037489 is an apocalyptic number.

It is an amenable number.

123037489 is a deficient number, since it is larger than the sum of its proper divisors (510771).

123037489 is an equidigital number, since it uses as much as digits as its factorization.

123037489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510770.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 123037489 is about 11092.2265122923. The cubic root of 123037489 is about 497.3695039164.

The spelling of 123037489 in words is "one hundred twenty-three million, thirty-seven thousand, four hundred eighty-nine".