123401267 has 8 divisors (see below), whose sum is σ = 137903472. Its totient is φ = 109446400.

The previous prime is 123401261. The next prime is 123401309. The reversal of 123401267 is 762104321.

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 123401267 - 2¹² = 123397171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123401261) 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, 136358 + ... + 137259.

It is an arithmetic number, because the mean of its divisors is an integer number (17237934).

Almost surely, 2^123401267 is an apocalyptic number.

123401267 is a deficient number, since it is larger than the sum of its proper divisors (14502205).

123401267 is a wasteful number, since it uses less digits than its factorization.

123401267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273669.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 123401267 is about 11108.6122895706. The cubic root of 123401267 is about 497.8592030586.

Adding to 123401267 its reverse (762104321), we get a palindrome (885505588).

The spelling of 123401267 in words is "one hundred twenty-three million, four hundred one thousand, two hundred sixty-seven".