1267001041 has 4 divisors (see below), whose sum is σ = 1341530532. Its totient is φ = 1192471552.

The previous prime is 1267001033. The next prime is 1267001051. The reversal of 1267001041 is 1401007621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1190526016 + 76475025 = 34504^2 + 8745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1267001041 - 2³ = 1267001033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1267001011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37264720 + ... + 37264753.

It is an arithmetic number, because the mean of its divisors is an integer number (335382633).

Almost surely, 2^1267001041 is an apocalyptic number.

It is an amenable number.

1267001041 is a deficient number, since it is larger than the sum of its proper divisors (74529491).

1267001041 is an equidigital number, since it uses as much as digits as its factorization.

1267001041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74529490.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1267001041 is about 35594.9580839759. The cubic root of 1267001041 is about 1082.0790544180.

Adding to 1267001041 its reverse (1401007621), we get a palindrome (2668008662).

The spelling of 1267001041 in words is "one billion, two hundred sixty-seven million, one thousand, forty-one".