1251052067 has 2 divisors, whose sum is σ = 1251052068. Its totient is φ = 1251052066.

The previous prime is 1251052031. The next prime is 1251052069. The reversal of 1251052067 is 7602501521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1251052067 - 2⁶ = 1251052003 is a prime.

Together with 1251052069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1251052069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625526033 + 625526034.

It is an arithmetic number, because the mean of its divisors is an integer number (625526034).

Almost surely, 2^1251052067 is an apocalyptic number.

1251052067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1251052067 is an equidigital number, since it uses as much as digits as its factorization.

1251052067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1251052067 is about 35370.2144042130. The cubic root of 1251052067 is about 1077.5194748877.

Adding to 1251052067 its reverse (7602501521), we get a palindrome (8853553588).

The spelling of 1251052067 in words is "one billion, two hundred fifty-one million, fifty-two thousand, sixty-seven".