1126961947 has 16 divisors (see below), whose sum is σ = 1170460800. Its totient is φ = 1084226688.

The previous prime is 1126961921. The next prime is 1126961959. The reversal of 1126961947 is 7491696211.

It is not a de Polignac number, because 1126961947 - 2⁷ = 1126961819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1126961897 and 1126961906.

It is not an unprimeable number, because it can be changed into a prime (1126961917) 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, 2022993 + ... + 2023549.

It is an arithmetic number, because the mean of its divisors is an integer number (73153800).

Almost surely, 2^1126961947 is an apocalyptic number.

1126961947 is a deficient number, since it is larger than the sum of its proper divisors (43498853).

1126961947 is a wasteful number, since it uses less digits than its factorization.

1126961947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its digits is 163296, while the sum is 46.

The square root of 1126961947 is about 33570.2539013335. The cubic root of 1126961947 is about 1040.6461551032.

The spelling of 1126961947 in words is "one billion, one hundred twenty-six million, nine hundred sixty-one thousand, nine hundred forty-seven".