123130133 has 8 divisors (see below), whose sum is σ = 148997952. Its totient is φ = 99331776.

The previous prime is 123130129. The next prime is 123130141. The reversal of 123130133 is 331031321.

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 123130133 - 2² = 123130129 is a prime.

It is a super-2 number, since 2×123130133² = 30322059305195378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130153) 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, 517235 + ... + 517472.

It is an arithmetic number, because the mean of its divisors is an integer number (18624744).

Almost surely, 2^123130133 is an apocalyptic number.

It is an amenable number.

123130133 is a deficient number, since it is larger than the sum of its proper divisors (25867819).

123130133 is a wasteful number, since it uses less digits than its factorization.

123130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034731.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 123130133 is about 11096.4018041886. The cubic root of 123130133 is about 497.4943079911.

Adding to 123130133 its reverse (331031321), we get a palindrome (454161454).

The spelling of 123130133 in words is "one hundred twenty-three million, one hundred thirty thousand, one hundred thirty-three".