1224120254 has 12 divisors (see below), whose sum is σ = 2135965104. Its totient is φ = 524622924.

The previous prime is 1224120253. The next prime is 1224120257. The reversal of 1224120254 is 4520214221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224120251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6245414 + ... + 6245609.

It is an arithmetic number, because the mean of its divisors is an integer number (177997092).

Almost surely, 2^1224120254 is an apocalyptic number.

1224120254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1224120254 is a deficient number, since it is larger than the sum of its proper divisors (911844850).

1224120254 is a wasteful number, since it uses less digits than its factorization.

1224120254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12491039 (or 12491032 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1224120254 is about 34987.4299427666. The cubic root of 1224120254 is about 1069.7312784876.

Adding to 1224120254 its reverse (4520214221), we get a palindrome (5744334475).

The spelling of 1224120254 in words is "one billion, two hundred twenty-four million, one hundred twenty thousand, two hundred fifty-four".