123001994 has 8 divisors (see below), whose sum is σ = 184579140. Its totient is φ = 61475616.

The previous prime is 123001979. The next prime is 123001997. The reversal of 123001994 is 499100321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78978769 + 44023225 = 8887^2 + 6635^2 .

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

It is not an unprimeable number, because it can be changed into a prime (123001997) 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, 5909 + ... + 16760.

Almost surely, 2^123001994 is an apocalyptic number.

123001994 is a deficient number, since it is larger than the sum of its proper divisors (61577146).

123001994 is a wasteful number, since it uses less digits than its factorization.

123001994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25384.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 123001994 is about 11090.6264025077. The cubic root of 123001994 is about 497.3216707217.

The spelling of 123001994 in words is "one hundred twenty-three million, one thousand, nine hundred ninety-four".