1041121020 has 48 divisors (see below), whose sum is σ = 2927907360. Its totient is φ = 276416256.

The previous prime is 1041121009. The next prime is 1041121033. The reversal of 1041121020 is 201211401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1041120987 and 1041121005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24147 + ... + 51626.

It is an arithmetic number, because the mean of its divisors is an integer number (60998070).

Almost surely, 2^1041121020 is an apocalyptic number.

1041121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1041121020 is an abundant number, since it is smaller than the sum of its proper divisors (1886786340).

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

1041121020 is a wasteful number, since it uses less digits than its factorization.

1041121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76014 (or 76012 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1041121020 is about 32266.4069893132. The cubic root of 1041121020 is about 1013.5233025749.

Adding to 1041121020 its reverse (201211401), we get a palindrome (1242332421).

The spelling of 1041121020 in words is "one billion, forty-one million, one hundred twenty-one thousand, twenty".