123114557 has 4 divisors (see below), whose sum is σ = 123194496. Its totient is φ = 123034620.

The previous prime is 123114553. The next prime is 123114569. The reversal of 123114557 is 755411321.

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 123114557 - 2² = 123114553 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 (123114553) 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, 37613 + ... + 40754.

It is an arithmetic number, because the mean of its divisors is an integer number (30798624).

Almost surely, 2^123114557 is an apocalyptic number.

It is an amenable number.

123114557 is a deficient number, since it is larger than the sum of its proper divisors (79939).

123114557 is an equidigital number, since it uses as much as digits as its factorization.

123114557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79938.

The product of its digits is 4200, while the sum is 29.

The square root of 123114557 is about 11095.6999328569. The cubic root of 123114557 is about 497.4733293784.

Adding to 123114557 its reverse (755411321), we get a palindrome (878525878).

The spelling of 123114557 in words is "one hundred twenty-three million, one hundred fourteen thousand, five hundred fifty-seven".