122530252121 has 8 divisors (see below), whose sum is σ = 125442228384. Its totient is φ = 119621113920.

The previous prime is 122530252093. The next prime is 122530252133. The reversal of 122530252121 is 121252035221.

It is a happy number.

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 122530252121 - 2¹⁰ = 122530251097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122530252721) 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, 622016 + ... + 794961.

It is an arithmetic number, because the mean of its divisors is an integer number (15680278548).

Almost surely, 2^122530252121 is an apocalyptic number.

It is an amenable number.

122530252121 is a deficient number, since it is larger than the sum of its proper divisors (2911976263).

122530252121 is a wasteful number, since it uses less digits than its factorization.

122530252121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419031.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 122530252121 its reverse (121252035221), we get a palindrome (243782287342).

The spelling of 122530252121 in words is "one hundred twenty-two billion, five hundred thirty million, two hundred fifty-two thousand, one hundred twenty-one".