1260224981 has 2 divisors, whose sum is σ = 1260224982. Its totient is φ = 1260224980.

The previous prime is 1260224971. The next prime is 1260225019. The reversal of 1260224981 is 1894220621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1144468900 + 115756081 = 33830^2 + 10759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260224981 - 2¹⁴ = 1260208597 is a prime.

It is a super-2 number, since 2×1260224981² = 3176334005472900722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260224971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630112490 + 630112491.

It is an arithmetic number, because the mean of its divisors is an integer number (630112491).

Almost surely, 2^1260224981 is an apocalyptic number.

It is an amenable number.

1260224981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260224981 is an equidigital number, since it uses as much as digits as its factorization.

1260224981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1260224981 is about 35499.6476179694. The cubic root of 1260224981 is about 1080.1465796135.

The spelling of 1260224981 in words is "one billion, two hundred sixty million, two hundred twenty-four thousand, nine hundred eighty-one".