1126528420 has 12 divisors (see below), whose sum is σ = 2365709724. Its totient is φ = 450611360.

The previous prime is 1126528399. The next prime is 1126528433. The reversal of 1126528420 is 248256211.

It can be written as a sum of positive squares in 2 ways, for example, as 833707876 + 292820544 = 28874^2 + 17112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28163191 + ... + 28163230.

It is an arithmetic number, because the mean of its divisors is an integer number (197142477).

Almost surely, 2^1126528420 is an apocalyptic number.

1126528420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126528420 is an abundant number, since it is smaller than the sum of its proper divisors (1239181304).

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

1126528420 is a wasteful number, since it uses less digits than its factorization.

1126528420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56326430 (or 56326428 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1126528420 is about 33563.7962691946. The cubic root of 1126528420 is about 1040.5126971607.

The spelling of 1126528420 in words is "one billion, one hundred twenty-six million, five hundred twenty-eight thousand, four hundred twenty".