1252020167 has 2 divisors, whose sum is σ = 1252020168. Its totient is φ = 1252020166.

The previous prime is 1252020151. The next prime is 1252020251. The reversal of 1252020167 is 7610202521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1252020167 - 2⁴ = 1252020151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252020127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626010083 + 626010084.

It is an arithmetic number, because the mean of its divisors is an integer number (626010084).

Almost surely, 2^1252020167 is an apocalyptic number.

1252020167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252020167 is an equidigital number, since it uses as much as digits as its factorization.

1252020167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1252020167 is about 35383.8970013197. The cubic root of 1252020167 is about 1077.7973417259.

Adding to 1252020167 its reverse (7610202521), we get a palindrome (8862222688).

The spelling of 1252020167 in words is "one billion, two hundred fifty-two million, twenty thousand, one hundred sixty-seven".