1012164457 has 2 divisors, whose sum is σ = 1012164458. Its totient is φ = 1012164456.

The previous prime is 1012164403. The next prime is 1012164463. The reversal of 1012164457 is 7544612101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938135641 + 74028816 = 30629^2 + 8604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012164457 - 2¹¹ = 1012162409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012164497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506082228 + 506082229.

It is an arithmetic number, because the mean of its divisors is an integer number (506082229).

Almost surely, 2^1012164457 is an apocalyptic number.

It is an amenable number.

1012164457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012164457 is an equidigital number, since it uses as much as digits as its factorization.

1012164457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1012164457 is about 31814.5321669202. The cubic root of 1012164457 is about 1004.0384876623.

Adding to 1012164457 its reverse (7544612101), we get a palindrome (8556776558).

The spelling of 1012164457 in words is "one billion, twelve million, one hundred sixty-four thousand, four hundred fifty-seven".