1264173346 has 16 divisors (see below), whose sum is σ = 2010497976. Its totient is φ = 594107136.

The previous prime is 1264173343. The next prime is 1264173401. The reversal of 1264173346 is 6433714621.

It can be written as a sum of positive squares in 4 ways, for example, as 1260605025 + 3568321 = 35505^2 + 1889^2 .

It is not an unprimeable number, because it can be changed into a prime (1264173343) by changing a digit.

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, 1180 + ... + 50296.

Almost surely, 2^1264173346 is an apocalyptic number.

1264173346 is a deficient number, since it is larger than the sum of its proper divisors (746324630).

1264173346 is a wasteful number, since it uses less digits than its factorization.

1264173346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49893.

The product of its digits is 72576, while the sum is 37.

The square root of 1264173346 is about 35555.2154542762. The cubic root of 1264173346 is about 1081.2734595420.

Adding to 1264173346 its reverse (6433714621), we get a palindrome (7697887967).

The spelling of 1264173346 in words is "one billion, two hundred sixty-four million, one hundred seventy-three thousand, three hundred forty-six".