1264061734 has 32 divisors (see below), whose sum is σ = 2108445696. Its totient is φ = 564641280.

The previous prime is 1264061723. The next prime is 1264061737. The reversal of 1264061734 is 4371604621.

It is a self number, because there is not a number n which added to its sum of digits gives 1264061734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264061737) 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 15 ways as a sum of consecutive naturals, for example, 130714 + ... + 140050.

It is an arithmetic number, because the mean of its divisors is an integer number (65888928).

Almost surely, 2^1264061734 is an apocalyptic number.

1264061734 is a deficient number, since it is larger than the sum of its proper divisors (844383962).

1264061734 is a wasteful number, since it uses less digits than its factorization.

1264061734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1264061734 is about 35553.6458608678. The cubic root of 1264061734 is about 1081.2416372592.

The spelling of 1264061734 in words is "one billion, two hundred sixty-four million, sixty-one thousand, seven hundred thirty-four".