1001247053 has 2 divisors, whose sum is σ = 1001247054. Its totient is φ = 1001247052.

The previous prime is 1001247029. The next prime is 1001247067. The reversal of 1001247053 is 3507421001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700502089 + 300744964 = 26467^2 + 17342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001247053 - 2⁶ = 1001246989 is a prime.

It is a super-2 number, since 2×1001247053² = 2004991322282369618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001247073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500623526 + 500623527.

It is an arithmetic number, because the mean of its divisors is an integer number (500623527).

Almost surely, 2^1001247053 is an apocalyptic number.

It is an amenable number.

1001247053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001247053 is an equidigital number, since it uses as much as digits as its factorization.

1001247053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1001247053 is about 31642.4880974932. The cubic root of 1001247053 is about 1000.4155116595.

Adding to 1001247053 its reverse (3507421001), we get a palindrome (4508668054).

The spelling of 1001247053 in words is "one billion, one million, two hundred forty-seven thousand, fifty-three".