133123055 has 16 divisors (see below), whose sum is σ = 176040480. Its totient is φ = 96018048.

The previous prime is 133123049. The next prime is 133123061. The reversal of 133123055 is 550321331.

It is an interprime number because it is at equal distance from previous prime (133123049) and next prime (133123061).

It is a cyclic number.

It is not a de Polignac number, because 133123055 - 2²⁶ = 66014191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133123055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21020 + ... + 26609.

It is an arithmetic number, because the mean of its divisors is an integer number (11002530).

Almost surely, 2^133123055 is an apocalyptic number.

133123055 is a deficient number, since it is larger than the sum of its proper divisors (42917425).

133123055 is a wasteful number, since it uses less digits than its factorization.

133123055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47690.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 133123055 is about 11537.8964720611. The cubic root of 133123055 is about 510.6042498386.

Adding to 133123055 its reverse (550321331), we get a palindrome (683444386).

The spelling of 133123055 in words is "one hundred thirty-three million, one hundred twenty-three thousand, fifty-five".