1056202117 has 2 divisors, whose sum is σ = 1056202118. Its totient is φ = 1056202116.

The previous prime is 1056202109. The next prime is 1056202157. The reversal of 1056202117 is 7112026501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692689761 + 363512356 = 26319^2 + 19066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056202117 - 2³ = 1056202109 is a prime.

It is a super-2 number, since 2×1056202117² = 2231125823910563378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056202091 and 1056202100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056202157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528101058 + 528101059.

It is an arithmetic number, because the mean of its divisors is an integer number (528101059).

Almost surely, 2^1056202117 is an apocalyptic number.

It is an amenable number.

1056202117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056202117 is an equidigital number, since it uses as much as digits as its factorization.

1056202117 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 25.

The square root of 1056202117 is about 32499.2633301126. The cubic root of 1056202117 is about 1018.3936387067.

Adding to 1056202117 its reverse (7112026501), we get a palindrome (8168228618).

The spelling of 1056202117 in words is "one billion, fifty-six million, two hundred two thousand, one hundred seventeen".