1224051137 has 2 divisors, whose sum is σ = 1224051138. Its totient is φ = 1224051136.

The previous prime is 1224051133. The next prime is 1224051139. The reversal of 1224051137 is 7311504221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120642576 + 103408561 = 33476^2 + 10169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224051137 - 2² = 1224051133 is a prime.

Together with 1224051139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1224051133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612025568 + 612025569.

It is an arithmetic number, because the mean of its divisors is an integer number (612025569).

Almost surely, 2^1224051137 is an apocalyptic number.

It is an amenable number.

1224051137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224051137 is an equidigital number, since it uses as much as digits as its factorization.

1224051137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1224051137 is about 34986.4421883678. The cubic root of 1224051137 is about 1069.7111448424.

Adding to 1224051137 its reverse (7311504221), we get a palindrome (8535555358).

The spelling of 1224051137 in words is "one billion, two hundred twenty-four million, fifty-one thousand, one hundred thirty-seven".