1224027845 has 16 divisors (see below), whose sum is σ = 1498528512. Its totient is φ = 959474880.

The previous prime is 1224027841. The next prime is 1224027877. The reversal of 1224027845 is 5487204221.

It is not a de Polignac number, because 1224027845 - 2² = 1224027841 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224027841) 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, 231380 + ... + 236610.

It is an arithmetic number, because the mean of its divisors is an integer number (93658032).

Almost surely, 2^1224027845 is an apocalyptic number.

It is an amenable number.

1224027845 is a deficient number, since it is larger than the sum of its proper divisors (274500667).

1224027845 is an equidigital number, since it uses as much as digits as its factorization.

1224027845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 1224027845 is about 34986.1093149839. The cubic root of 1224027845 is about 1069.7043597583.

The spelling of 1224027845 in words is "one billion, two hundred twenty-four million, twenty-seven thousand, eight hundred forty-five".