1224496545 has 16 divisors (see below), whose sum is σ = 1961936640. Its totient is φ = 652150784.

The previous prime is 1224496541. The next prime is 1224496579. The reversal of 1224496545 is 5456944221.

It is a cyclic number.

It is not a de Polignac number, because 1224496545 - 2² = 1224496541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224496497 and 1224496506.

It is not an unprimeable number, because it can be changed into a prime (1224496541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45984 + ... + 67553.

It is an arithmetic number, because the mean of its divisors is an integer number (122621040).

Almost surely, 2^1224496545 is an apocalyptic number.

1224496545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224496545 is a deficient number, since it is larger than the sum of its proper divisors (737440095).

1224496545 is a wasteful number, since it uses less digits than its factorization.

1224496545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114264.

The product of its digits is 345600, while the sum is 42.

The square root of 1224496545 is about 34992.8070465917. The cubic root of 1224496545 is about 1069.8408780177.

The spelling of 1224496545 in words is "one billion, two hundred twenty-four million, four hundred ninety-six thousand, five hundred forty-five".