123504601 has 4 divisors (see below), whose sum is σ = 134732304. Its totient is φ = 112276900.

The previous prime is 123504583. The next prime is 123504629. The reversal of 123504601 is 106405321.

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 not a de Polignac number, because 123504601 - 2⁵ = 123504569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123504671) 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, 5613835 + ... + 5613856.

It is an arithmetic number, because the mean of its divisors is an integer number (33683076).

Almost surely, 2^123504601 is an apocalyptic number.

123504601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123504601 is a deficient number, since it is larger than the sum of its proper divisors (11227703).

123504601 is a wasteful number, since it uses less digits than its factorization.

123504601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11227702.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 123504601 is about 11113.2623922951. The cubic root of 123504601 is about 497.9981303995.

Adding to 123504601 its product of nonzero digits (720), we get a palindrome (123505321).

Adding to 123504601 its reverse (106405321), we get a palindrome (229909922).

The spelling of 123504601 in words is "one hundred twenty-three million, five hundred four thousand, six hundred one".