1321153627 has 2 divisors, whose sum is σ = 1321153628. Its totient is φ = 1321153626.

The previous prime is 1321153621. The next prime is 1321153633. The reversal of 1321153627 is 7263511231.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1321153621) and next prime (1321153633).

It is a cyclic number.

It is not a de Polignac number, because 1321153627 - 2¹⁹ = 1320629339 is a prime.

It is a super-2 number, since 2×1321153627² = 3490893812270510258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1321153621) 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, 660576813 + 660576814.

It is an arithmetic number, because the mean of its divisors is an integer number (660576814).

Almost surely, 2^1321153627 is an apocalyptic number.

1321153627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321153627 is an equidigital number, since it uses as much as digits as its factorization.

1321153627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 1321153627 is about 36347.6770509478. The cubic root of 1321153627 is about 1097.2807841491.

Adding to 1321153627 its reverse (7263511231), we get a palindrome (8584664858).

The spelling of 1321153627 in words is "one billion, three hundred twenty-one million, one hundred fifty-three thousand, six hundred twenty-seven".