1200300123 has 16 divisors (see below), whose sum is σ = 1755991296. Its totient is φ = 723246240.

The previous prime is 1200300121. The next prime is 1200300131. The reversal of 1200300123 is 3210030021.

It is a happy number.

It is not a de Polignac number, because 1200300123 - 2¹ = 1200300121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200300099 and 1200300108.

It is not an unprimeable number, because it can be changed into a prime (1200300121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99415 + ... + 110832.

It is an arithmetic number, because the mean of its divisors is an integer number (109749456).

Almost surely, 2^1200300123 is an apocalyptic number.

1200300123 is a deficient number, since it is larger than the sum of its proper divisors (555691173).

1200300123 is a wasteful number, since it uses less digits than its factorization.

1200300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210434.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1200300123 is about 34645.3477829275. The cubic root of 1200300123 is about 1062.7471529863.

Adding to 1200300123 its reverse (3210030021), we get a palindrome (4410330144).

The spelling of 1200300123 in words is "one billion, two hundred million, three hundred thousand, one hundred twenty-three".