123861394 has 8 divisors (see below), whose sum is σ = 193870080. Its totient is φ = 59238036.

The previous prime is 123861391. The next prime is 123861421. The reversal of 123861394 is 493168321.

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 (123861391) 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, 1346274 + ... + 1346365.

It is an arithmetic number, because the mean of its divisors is an integer number (24233760).

Almost surely, 2^123861394 is an apocalyptic number.

123861394 is a deficient number, since it is larger than the sum of its proper divisors (70008686).

123861394 is a wasteful number, since it uses less digits than its factorization.

123861394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692664.

The product of its digits is 31104, while the sum is 37.

The square root of 123861394 is about 11129.3033923961. The cubic root of 123861394 is about 498.4772256916.

The spelling of 123861394 in words is "one hundred twenty-three million, eight hundred sixty-one thousand, three hundred ninety-four".