123114051521 has 8 divisors (see below), whose sum is σ = 123245898240. Its totient is φ = 122982263712.

The previous prime is 123114051469. The next prime is 123114051547. The reversal of 123114051521 is 125150411321.

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 123114051521 - 2¹⁰ = 123114050497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123114051581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5070416 + ... + 5094638.

It is an arithmetic number, because the mean of its divisors is an integer number (15405737280).

Almost surely, 2^123114051521 is an apocalyptic number.

It is an amenable number.

123114051521 is a deficient number, since it is larger than the sum of its proper divisors (131846719).

123114051521 is a wasteful number, since it uses less digits than its factorization.

123114051521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29455.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 123114051521 its reverse (125150411321), we get a palindrome (248264462842).

The spelling of 123114051521 in words is "one hundred twenty-three billion, one hundred fourteen million, fifty-one thousand, five hundred twenty-one".