1252746267 has 16 divisors (see below), whose sum is σ = 1785466368. Its totient is φ = 779366720.

The previous prime is 1252746241. The next prime is 1252746293. The reversal of 1252746267 is 7626472521.

It is an interprime number because it is at equal distance from previous prime (1252746241) and next prime (1252746293).

It is a cyclic number.

It is not a de Polignac number, because 1252746267 - 2⁷ = 1252746139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252746227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218583 + ... + 224240.

It is an arithmetic number, because the mean of its divisors is an integer number (111591648).

Almost surely, 2^1252746267 is an apocalyptic number.

1252746267 is a deficient number, since it is larger than the sum of its proper divisors (532720101).

1252746267 is a wasteful number, since it uses less digits than its factorization.

1252746267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442890.

The product of its digits is 282240, while the sum is 42.

The square root of 1252746267 is about 35394.1558311538. The cubic root of 1252746267 is about 1078.0056550406.

The spelling of 1252746267 in words is "one billion, two hundred fifty-two million, seven hundred forty-six thousand, two hundred sixty-seven".