4122115545 has 128 divisors (see below), whose sum is σ = 7558272000. Its totient is φ = 1907130368.

The previous prime is 4122115519. The next prime is 4122115577. The reversal of 4122115545 is 5455112214.

It is a cyclic number.

It is not a de Polignac number, because 4122115545 - 2¹¹ = 4122113497 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27665131 + ... + 27665279.

It is an arithmetic number, because the mean of its divisors is an integer number (59049000).

Almost surely, 2^4122115545 is an apocalyptic number.

It is an amenable number.

4122115545 is a deficient number, since it is larger than the sum of its proper divisors (3436156455).

4122115545 is a wasteful number, since it uses less digits than its factorization.

4122115545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its digits is 8000, while the sum is 30.

The square root of 4122115545 is about 64203.7035146727. The cubic root of 4122115545 is about 1603.3932601173.

Adding to 4122115545 its reverse (5455112214), we get a palindrome (9577227759).

The spelling of 4122115545 in words is "four billion, one hundred twenty-two million, one hundred fifteen thousand, five hundred forty-five".