1261167752 has 32 divisors (see below), whose sum is σ = 2548324800. Its totient is φ = 581680704.

The previous prime is 1261167727. The next prime is 1261167757. The reversal of 1261167752 is 2577611621.

It is not an unprimeable number, because it can be changed into a prime (1261167757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195149 + ... + 201507.

It is an arithmetic number, because the mean of its divisors is an integer number (79635150).

Almost surely, 2^1261167752 is an apocalyptic number.

It is an amenable number.

1261167752 is an abundant number, since it is smaller than the sum of its proper divisors (1287157048).

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

1261167752 is a wasteful number, since it uses less digits than its factorization.

1261167752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285 (or 8281 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 1261167752 is about 35512.9237320725. The cubic root of 1261167752 is about 1080.4158640812.

The spelling of 1261167752 in words is "one billion, two hundred sixty-one million, one hundred sixty-seven thousand, seven hundred fifty-two".