123124001 has 16 divisors (see below), whose sum is σ = 165314688. Its totient is φ = 88560000.

The previous prime is 123123977. The next prime is 123124003. The reversal of 123124001 is 100421321.

It is a cyclic number.

It is not a de Polignac number, because 123124001 - 2¹⁰ = 123122977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123124003) 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, 60500 + ... + 62501.

It is an arithmetic number, because the mean of its divisors is an integer number (10332168).

Almost surely, 2^123124001 is an apocalyptic number.

123124001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123124001 is a deficient number, since it is larger than the sum of its proper divisors (42190687).

123124001 is a wasteful number, since it uses less digits than its factorization.

123124001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123032.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 123124001 is about 11096.1254949644. The cubic root of 123124001 is about 497.4860492877.

Adding to 123124001 its reverse (100421321), we get a palindrome (223545322).

The spelling of 123124001 in words is "one hundred twenty-three million, one hundred twenty-four thousand, one".