123001300 has 18 divisors (see below), whose sum is σ = 266913038. Its totient is φ = 49200480.

The previous prime is 123001297. The next prime is 123001301. The reversal of 123001300 is 3100321.

It can be written as a sum of positive squares in 3 ways, for example, as 2835856 + 120165444 = 1684^2 + 10962^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614907 + ... + 615106.

Almost surely, 2^123001300 is an apocalyptic number.

123001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123001300 is an abundant number, since it is smaller than the sum of its proper divisors (143911738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123001300 is a wasteful number, since it uses less digits than its factorization.

123001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230027 (or 1230020 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 123001300 is about 11090.5951147808. The cubic root of 123001300 is about 497.3207353930.

Adding to 123001300 its reverse (3100321), we get a palindrome (126101621).

The spelling of 123001300 in words is "one hundred twenty-three million, one thousand, three hundred".