123967001 has 4 divisors (see below), whose sum is σ = 130491600. Its totient is φ = 117442404.

The previous prime is 123966991. The next prime is 123967007. The reversal of 123967001 is 100769321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123967001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123967007) 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, 3262271 + ... + 3262308.

It is an arithmetic number, because the mean of its divisors is an integer number (32622900).

Almost surely, 2^123967001 is an apocalyptic number.

It is an amenable number.

123967001 is a deficient number, since it is larger than the sum of its proper divisors (6524599).

123967001 is an equidigital number, since it uses as much as digits as its factorization.

123967001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524598.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 123967001 is about 11134.0469282287. The cubic root of 123967001 is about 498.6188563975.

The spelling of 123967001 in words is "one hundred twenty-three million, nine hundred sixty-seven thousand, one".