1252020127 has 2 divisors, whose sum is σ = 1252020128. Its totient is φ = 1252020126.

The previous prime is 1252020083. The next prime is 1252020137. The reversal of 1252020127 is 7210202521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252020127 is a prime.

It is a super-2 number, since 2×1252020127² = 3135108796826192258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252020098 and 1252020107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252020137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626010063 + 626010064.

It is an arithmetic number, because the mean of its divisors is an integer number (626010064).

Almost surely, 2^1252020127 is an apocalyptic number.

1252020127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252020127 is an equidigital number, since it uses as much as digits as its factorization.

1252020127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1252020127 is about 35383.8964360908. The cubic root of 1252020127 is about 1077.7973302480.

Adding to 1252020127 its reverse (7210202521), we get a palindrome (8462222648).

The spelling of 1252020127 in words is "one billion, two hundred fifty-two million, twenty thousand, one hundred twenty-seven".