1126479820 has 12 divisors (see below), whose sum is σ = 2365607664. Its totient is φ = 450591920.

The previous prime is 1126479803. The next prime is 1126479821. The reversal of 1126479820 is 289746211.

It is not an unprimeable number, because it can be changed into a prime (1126479821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28161976 + ... + 28162015.

It is an arithmetic number, because the mean of its divisors is an integer number (197133972).

Almost surely, 2^1126479820 is an apocalyptic number.

1126479820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126479820 is an abundant number, since it is smaller than the sum of its proper divisors (1239127844).

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

1126479820 is a wasteful number, since it uses less digits than its factorization.

1126479820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56324000 (or 56323998 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1126479820 is about 33563.0722670020. The cubic root of 1126479820 is about 1040.4977338914.

The spelling of 1126479820 in words is "one billion, one hundred twenty-six million, four hundred seventy-nine thousand, eight hundred twenty".