1270767264 has 96 divisors (see below), whose sum is σ = 3624554304. Its totient is φ = 387502080.

The previous prime is 1270767259. The next prime is 1270767287. The reversal of 1270767264 is 4627670721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1270767264² = 3229698878508091392, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 136519 + ... + 145529.

It is an arithmetic number, because the mean of its divisors is an integer number (37755774).

Almost surely, 2^1270767264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270767264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812277152).

1270767264 is an abundant number, since it is smaller than the sum of its proper divisors (2353787040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270767264 is a wasteful number, since it uses less digits than its factorization.

1270767264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150 (or 9142 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 1270767264 is about 35647.8227105107. The cubic root of 1270767264 is about 1083.1501715641.

The spelling of 1270767264 in words is "one billion, two hundred seventy million, seven hundred sixty-seven thousand, two hundred sixty-four".