123001133 has 4 divisors (see below), whose sum is σ = 124219068. Its totient is φ = 121783200.

The previous prime is 123001129. The next prime is 123001147. The reversal of 123001133 is 331100321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331100321 = 101 ⋅3278221.

It can be written as a sum of positive squares in 2 ways, for example, as 112741924 + 10259209 = 10618^2 + 3203^2 .

It is a cyclic number.

It is not a de Polignac number, because 123001133 - 2² = 123001129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001633) 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, 608816 + ... + 609017.

It is an arithmetic number, because the mean of its divisors is an integer number (31054767).

Almost surely, 2^123001133 is an apocalyptic number.

It is an amenable number.

123001133 is a deficient number, since it is larger than the sum of its proper divisors (1217935).

123001133 is a wasteful number, since it uses less digits than its factorization.

123001133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217934.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 123001133 is about 11090.5875858766. The cubic root of 123001133 is about 497.3205103206.

Adding to 123001133 its reverse (331100321), we get a palindrome (454101454).

The spelling of 123001133 in words is "one hundred twenty-three million, one thousand, one hundred thirty-three".