1012627397 has 2 divisors, whose sum is σ = 1012627398. Its totient is φ = 1012627396.

The previous prime is 1012627387. The next prime is 1012627403. The reversal of 1012627397 is 7937262101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946546756 + 66080641 = 30766^2 + 8129^2 .

It is an emirp because it is prime and its reverse (7937262101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012627397 - 2⁶ = 1012627333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012627397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012627337) 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 as a sum of consecutive naturals, namely, 506313698 + 506313699.

It is an arithmetic number, because the mean of its divisors is an integer number (506313699).

Almost surely, 2^1012627397 is an apocalyptic number.

It is an amenable number.

1012627397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012627397 is an equidigital number, since it uses as much as digits as its factorization.

1012627397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1012627397 is about 31821.8069411528. The cubic root of 1012627397 is about 1004.1915387889.

Adding to 1012627397 its reverse (7937262101), we get a palindrome (8949889498).

The spelling of 1012627397 in words is "one billion, twelve million, six hundred twenty-seven thousand, three hundred ninety-seven".