1267061064 has 32 divisors (see below), whose sum is σ = 3186630720. Its totient is φ = 419823296.

The previous prime is 1267061063. The next prime is 1267061071. The reversal of 1267061064 is 4601607621.

It is not an unprimeable number, because it can be changed into a prime (1267061063) 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, 154059 + ... + 162074.

It is an arithmetic number, because the mean of its divisors is an integer number (99582210).

Almost surely, 2^1267061064 is an apocalyptic number.

It is an amenable number.

1267061064 is an abundant number, since it is smaller than the sum of its proper divisors (1919569656).

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

1267061064 is a wasteful number, since it uses less digits than its factorization.

1267061064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316309 (or 316305 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1267061064 is about 35595.8012130644. The cubic root of 1267061064 is about 1082.0961416456.

Adding to 1267061064 its reverse (4601607621), we get a palindrome (5868668685).

The spelling of 1267061064 in words is "one billion, two hundred sixty-seven million, sixty-one thousand, sixty-four".