123101994 has 8 divisors (see below), whose sum is σ = 246204000. Its totient is φ = 41033996.

The previous prime is 123101971. The next prime is 123101999. The reversal of 123101994 is 499101321.

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

123101994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (123101999) 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, 10258494 + ... + 10258505.

It is an arithmetic number, because the mean of its divisors is an integer number (30775500).

Almost surely, 2^123101994 is an apocalyptic number.

123101994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123101994 is a wasteful number, since it uses less digits than its factorization.

123101994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20517004.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 123101994 is about 11095.1337982018. The cubic root of 123101994 is about 497.4564075505.

The spelling of 123101994 in words is "one hundred twenty-three million, one hundred one thousand, nine hundred ninety-four".