123916001 has 8 divisors (see below), whose sum is σ = 135261984. Its totient is φ = 112583520.

The previous prime is 123915977. The next prime is 123916027. The reversal of 123916001 is 100619321.

It is a happy number.

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 123916001 - 2⁶ = 123915937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123916501) 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, 31901 + ... + 35573.

It is an arithmetic number, because the mean of its divisors is an integer number (16907748).

Almost surely, 2^123916001 is an apocalyptic number.

123916001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123916001 is a deficient number, since it is larger than the sum of its proper divisors (11345983).

123916001 is a wasteful number, since it uses less digits than its factorization.

123916001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 123916001 is about 11131.7564202600. The cubic root of 123916001 is about 498.5504697852.

The spelling of 123916001 in words is "one hundred twenty-three million, nine hundred sixteen thousand, one".