1051231224137 has 2 divisors, whose sum is σ = 1051231224138. Its totient is φ = 1051231224136.

The previous prime is 1051231224091. The next prime is 1051231224163. The reversal of 1051231224137 is 7314221321501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609736092736 + 441495131401 = 780856^2 + 664451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051231224137 - 2⁸ = 1051231223881 is a prime.

It is a super-2 number, since 2×1051231224137² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051231224187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525615612068 + 525615612069.

It is an arithmetic number, because the mean of its divisors is an integer number (525615612069).

Almost surely, 2^{1051231224137} is an apocalyptic number.

It is an amenable number.

1051231224137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051231224137 is an equidigital number, since it uses as much as digits as its factorization.

1051231224137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 1051231224137 its reverse (7314221321501), we get a palindrome (8365452545638).

The spelling of 1051231224137 in words is "one trillion, fifty-one billion, two hundred thirty-one million, two hundred twenty-four thousand, one hundred thirty-seven".