1264200002 has 16 divisors (see below), whose sum is σ = 2162297592. Its totient is φ = 549154560.

The previous prime is 1264199977. The next prime is 1264200011. The reversal of 1264200002 is 2000024621.

It can be written as a sum of positive squares in 4 ways, for example, as 603144481 + 661055521 = 24559^2 + 25711^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429649 + ... + 1430532.

Almost surely, 2^1264200002 is an apocalyptic number.

1264200002 is a deficient number, since it is larger than the sum of its proper divisors (898097590).

1264200002 is a wasteful number, since it uses less digits than its factorization.

1264200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860213.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1264200002 is about 35555.5903058858. The cubic root of 1264200002 is about 1081.2810592969.

Adding to 1264200002 its reverse (2000024621), we get a palindrome (3264224623).

The spelling of 1264200002 in words is "one billion, two hundred sixty-four million, two hundred thousand, two".