1056252101 has 2 divisors, whose sum is σ = 1056252102. Its totient is φ = 1056252100.

The previous prime is 1056252073. The next prime is 1056252139. The reversal of 1056252101 is 1012526501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779861476 + 276390625 = 27926^2 + 16625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056252101 - 2¹⁴ = 1056235717 is a prime.

It is a super-2 number, since 2×1056252101² = 2231337001733828402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056452101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528126050 + 528126051.

It is an arithmetic number, because the mean of its divisors is an integer number (528126051).

Almost surely, 2^1056252101 is an apocalyptic number.

It is an amenable number.

1056252101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056252101 is an equidigital number, since it uses as much as digits as its factorization.

1056252101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1056252101 is about 32500.0323230608. The cubic root of 1056252101 is about 1018.4097033670.

Adding to 1056252101 its reverse (1012526501), we get a palindrome (2068778602).

The spelling of 1056252101 in words is "one billion, fifty-six million, two hundred fifty-two thousand, one hundred one".