1264542262 has 4 divisors (see below), whose sum is σ = 1896813396. Its totient is φ = 632271130.

The previous prime is 1264542259. The next prime is 1264542269. The reversal of 1264542262 is 2622454621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264542269) 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 as a sum of consecutive naturals, namely, 316135564 + ... + 316135567.

It is an arithmetic number, because the mean of its divisors is an integer number (474203349).

Almost surely, 2^1264542262 is an apocalyptic number.

1264542262 is a deficient number, since it is larger than the sum of its proper divisors (632271134).

1264542262 is an equidigital number, since it uses as much as digits as its factorization.

1264542262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632271133.

The product of its digits is 46080, while the sum is 34.

The square root of 1264542262 is about 35560.4030067152. The cubic root of 1264542262 is about 1081.3786297927.

Adding to 1264542262 its reverse (2622454621), we get a palindrome (3886996883).

The spelling of 1264542262 in words is "one billion, two hundred sixty-four million, five hundred forty-two thousand, two hundred sixty-two".