1224031155045 has 16 divisors (see below), whose sum is σ = 2003995194432. Its totient is φ = 637634833920.

The previous prime is 1224031155043. The next prime is 1224031155059. The reversal of 1224031155045 is 5405511304221.

It is not a de Polignac number, because 1224031155045 - 2¹ = 1224031155043 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1224031154997 and 1224031155015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224031155043) 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, 948860716 + ... + 948862005.

It is an arithmetic number, because the mean of its divisors is an integer number (125249699652).

Almost surely, 2^{1224031155045} is an apocalyptic number.

1224031155045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224031155045 is a deficient number, since it is larger than the sum of its proper divisors (779964039387).

1224031155045 is a wasteful number, since it uses less digits than its factorization.

1224031155045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897722772.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1224031155045 its reverse (5405511304221), we get a palindrome (6629542459266).

The spelling of 1224031155045 in words is "one trillion, two hundred twenty-four billion, thirty-one million, one hundred fifty-five thousand, forty-five".