122544545 has 16 divisors (see below), whose sum is σ = 150083280. Its totient is φ = 96036864.

The previous prime is 122544493. The next prime is 122544553. The reversal of 122544545 is 545445221.

It can be written as a sum of positive squares in 8 ways, for example, as 10163344 + 112381201 = 3188^2 + 10601^2 .

It is a cyclic number.

It is not a de Polignac number, because 122544545 - 2²⁴ = 105767329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49067 + ... + 51503.

It is an arithmetic number, because the mean of its divisors is an integer number (9380205).

Almost surely, 2^122544545 is an apocalyptic number.

It is an amenable number.

122544545 is a deficient number, since it is larger than the sum of its proper divisors (27538735).

122544545 is a wasteful number, since it uses less digits than its factorization.

122544545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644.

The product of its digits is 32000, while the sum is 32.

The square root of 122544545 is about 11069.9839656614. The cubic root of 122544545 is about 496.7043855764.

Adding to 122544545 its reverse (545445221), we get a palindrome (667989766).

The spelling of 122544545 in words is "one hundred twenty-two million, five hundred forty-four thousand, five hundred forty-five".