1264150223 has 16 divisors (see below), whose sum is σ = 1522774080. Its totient is φ = 1026445056.

The previous prime is 1264150213. The next prime is 1264150241. The reversal of 1264150223 is 3220514621.

It is a happy number.

It is not a de Polignac number, because 1264150223 - 2⁴ = 1264150207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1264150192 and 1264150201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264150213) 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, 47990 + ... + 69507.

It is an arithmetic number, because the mean of its divisors is an integer number (95173380).

Almost surely, 2^1264150223 is an apocalyptic number.

1264150223 is a deficient number, since it is larger than the sum of its proper divisors (258623857).

1264150223 is a wasteful number, since it uses less digits than its factorization.

1264150223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117586.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1264150223 is about 35554.8902824914. The cubic root of 1264150223 is about 1081.2668669760.

Adding to 1264150223 its reverse (3220514621), we get a palindrome (4484664844).

The spelling of 1264150223 in words is "one billion, two hundred sixty-four million, one hundred fifty thousand, two hundred twenty-three".