123917101 has 16 divisors (see below), whose sum is σ = 155289600. Its totient is φ = 96061680.

The previous prime is 123917083. The next prime is 123917111. The reversal of 123917101 is 101719321.

It is not a de Polignac number, because 123917101 - 2⁷ = 123916973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123917111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11280 + ... + 19366.

It is an arithmetic number, because the mean of its divisors is an integer number (9705600).

Almost surely, 2^123917101 is an apocalyptic number.

123917101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123917101 is a deficient number, since it is larger than the sum of its proper divisors (31372499).

123917101 is a wasteful number, since it uses less digits than its factorization.

123917101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 123917101 is about 11131.8058283461. The cubic root of 123917101 is about 498.5519449885.

The spelling of 123917101 in words is "one hundred twenty-three million, nine hundred seventeen thousand, one hundred one".