1224052545 has 16 divisors (see below), whose sum is σ = 1958928192. Its totient is φ = 652680000.

The previous prime is 1224052517. The next prime is 1224052553. The reversal of 1224052545 is 5452504221.

It is not a de Polignac number, because 1224052545 - 2⁶ = 1224052481 is a prime.

It is a super-3 number, since 3×1224052545³ (a number of 28 digits) contains 333 as substring.

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, 103170 + ... + 114420.

It is an arithmetic number, because the mean of its divisors is an integer number (122433012).

Almost surely, 2^1224052545 is an apocalyptic number.

1224052545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224052545 is a deficient number, since it is larger than the sum of its proper divisors (734875647).

1224052545 is a wasteful number, since it uses less digits than its factorization.

1224052545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18512.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1224052545 is about 34986.4623104423. The cubic root of 1224052545 is about 1069.7115549976.

Adding to 1224052545 its reverse (5452504221), we get a palindrome (6676556766).

The spelling of 1224052545 in words is "one billion, two hundred twenty-four million, fifty-two thousand, five hundred forty-five".