1261124282 has 16 divisors (see below), whose sum is σ = 2070304704. Its totient is φ = 571392000.

The previous prime is 1261124281. The next prime is 1261124329. The reversal of 1261124282 is 2824211621.

It is not an unprimeable number, because it can be changed into a prime (1261124281) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 85319 + ... + 99002.

It is an arithmetic number, because the mean of its divisors is an integer number (129394044).

Almost surely, 2^1261124282 is an apocalyptic number.

1261124282 is a deficient number, since it is larger than the sum of its proper divisors (809180422).

1261124282 is a wasteful number, since it uses less digits than its factorization.

1261124282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184645.

The product of its digits is 3072, while the sum is 29.

The square root of 1261124282 is about 35512.3116960865. The cubic root of 1261124282 is about 1080.4034506606.

The spelling of 1261124282 in words is "one billion, two hundred sixty-one million, one hundred twenty-four thousand, two hundred eighty-two".