122144453061 has 4 divisors (see below), whose sum is σ = 162859270752. Its totient is φ = 81429635372.

The previous prime is 122144453051. The next prime is 122144453071. The reversal of 122144453061 is 160354441221.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (122144453051) and next prime (122144453071).

It is a cyclic number.

It is not a de Polignac number, because 122144453061 - 2¹³ = 122144444869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144453051) 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, 20357408841 + ... + 20357408846.

It is an arithmetic number, because the mean of its divisors is an integer number (40714817688).

Almost surely, 2^122144453061 is an apocalyptic number.

It is an amenable number.

122144453061 is a deficient number, since it is larger than the sum of its proper divisors (40714817691).

122144453061 is an equidigital number, since it uses as much as digits as its factorization.

122144453061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40714817690.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 122144453061 its reverse (160354441221), we get a palindrome (282498894282).

The spelling of 122144453061 in words is "one hundred twenty-two billion, one hundred forty-four million, four hundred fifty-three thousand, sixty-one".