122141521153 has 4 divisors (see below), whose sum is σ = 122146094848. Its totient is φ = 122136947460.

The previous prime is 122141521129. The next prime is 122141521207. The reversal of 122141521153 is 351125141221.

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 a de Polignac number, because none of the positive numbers 2^k-122141521153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122141521553) 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, 2246553 + ... + 2300278.

It is an arithmetic number, because the mean of its divisors is an integer number (30536523712).

Almost surely, 2^122141521153 is an apocalyptic number.

It is an amenable number.

122141521153 is a deficient number, since it is larger than the sum of its proper divisors (4573695).

122141521153 is an equidigital number, since it uses as much as digits as its factorization.

122141521153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573694.

The product of its digits is 2400, while the sum is 28.

Adding to 122141521153 its reverse (351125141221), we get a palindrome (473266662374).

The spelling of 122141521153 in words is "one hundred twenty-two billion, one hundred forty-one million, five hundred twenty-one thousand, one hundred fifty-three".