1101124420 has 48 divisors (see below), whose sum is σ = 2563960896. Its totient is φ = 393840000.

The previous prime is 1101124373. The next prime is 1101124463. The reversal of 1101124420 is 244211011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101124394 and 1101124403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27606 + ... + 54445.

It is an arithmetic number, because the mean of its divisors is an integer number (53415852).

Almost surely, 2^1101124420 is an apocalyptic number.

1101124420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101124420 is an abundant number, since it is smaller than the sum of its proper divisors (1462836476).

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

1101124420 is a wasteful number, since it uses less digits than its factorization.

1101124420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82132 (or 82130 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1101124420 is about 33183.1948431733. The cubic root of 1101124420 is about 1032.6317279222.

Adding to 1101124420 its reverse (244211011), we get a palindrome (1345335431).

It can be divided in two parts, 1101 and 124420, that added together give a palindrome (125521).

The spelling of 1101124420 in words is "one billion, one hundred one million, one hundred twenty-four thousand, four hundred twenty".