123772133 has 8 divisors (see below), whose sum is σ = 125509440. Its totient is φ = 122047200.

The previous prime is 123772123. The next prime is 123772139. The reversal of 123772133 is 331277321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123772133 - 2⁶ = 123772069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123772096 and 123772105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123772139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18041 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (15688680).

Almost surely, 2^123772133 is an apocalyptic number.

It is an amenable number.

123772133 is a deficient number, since it is larger than the sum of its proper divisors (1737307).

123772133 is a wasteful number, since it uses less digits than its factorization.

123772133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187.

The product of its digits is 5292, while the sum is 29.

The square root of 123772133 is about 11125.2924905370. The cubic root of 123772133 is about 498.3574539939.

The spelling of 123772133 in words is "one hundred twenty-three million, seven hundred seventy-two thousand, one hundred thirty-three".