1141122020 has 12 divisors (see below), whose sum is σ = 2396356284. Its totient is φ = 456448800.

The previous prime is 1141122019. The next prime is 1141122049. The reversal of 1141122020 is 202211411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219513856 + 921608164 = 14816^2 + 30358^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1141121986 and 1141122004.

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, 28528031 + ... + 28528070.

It is an arithmetic number, because the mean of its divisors is an integer number (199696357).

Almost surely, 2^1141122020 is an apocalyptic number.

1141122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141122020 is an abundant number, since it is smaller than the sum of its proper divisors (1255234264).

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

1141122020 is a wasteful number, since it uses less digits than its factorization.

1141122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57056110 (or 57056108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1141122020 is about 33780.4976280694. The cubic root of 1141122020 is about 1044.9865370701.

Adding to 1141122020 its reverse (202211411), we get a palindrome (1343333431).

The spelling of 1141122020 in words is "one billion, one hundred forty-one million, one hundred twenty-two thousand, twenty".