1264150201 has 4 divisors (see below), whose sum is σ = 1266916852. Its totient is φ = 1261383552.

The previous prime is 1264150187. The next prime is 1264150207. The reversal of 1264150201 is 1020514621.

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 799532176 + 464618025 = 28276^2 + 21555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264150201 - 2¹¹ = 1264148153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264150207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382640 + ... + 1383553.

It is an arithmetic number, because the mean of its divisors is an integer number (316729213).

Almost surely, 2^1264150201 is an apocalyptic number.

It is an amenable number.

1264150201 is a deficient number, since it is larger than the sum of its proper divisors (2766651).

1264150201 is an equidigital number, since it uses as much as digits as its factorization.

1264150201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766650.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1264150201 is about 35554.8899731106. The cubic root of 1264150201 is about 1081.2668607036.

Adding to 1264150201 its reverse (1020514621), we get a palindrome (2284664822).

The spelling of 1264150201 in words is "one billion, two hundred sixty-four million, one hundred fifty thousand, two hundred one".