1264237041 has 4 divisors (see below), whose sum is σ = 1685649392. Its totient is φ = 842824692.

The previous prime is 1264237033. The next prime is 1264237057. The reversal of 1264237041 is 1407324621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1264237041 - 2³ = 1264237033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264237061) 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, 210706171 + ... + 210706176.

It is an arithmetic number, because the mean of its divisors is an integer number (421412348).

Almost surely, 2^1264237041 is an apocalyptic number.

It is an amenable number.

1264237041 is a deficient number, since it is larger than the sum of its proper divisors (421412351).

1264237041 is an equidigital number, since it uses as much as digits as its factorization.

1264237041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421412350.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1264237041 is about 35556.1111624992. Note that the first 4 decimals coincide. The cubic root of 1264237041 is about 1081.2916191181.

The spelling of 1264237041 in words is "one billion, two hundred sixty-four million, two hundred thirty-seven thousand, forty-one".