1011121124 has 48 divisors (see below), whose sum is σ = 1992990720. Its totient is φ = 445357440.

The previous prime is 1011121123. The next prime is 1011121127. The reversal of 1011121124 is 4211211101.

It is a junction number, because it is equal to n+sod(n) for n = 1011121099 and 1011121108.

It is not an unprimeable number, because it can be changed into a prime (1011121123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789917 + ... + 791195.

It is an arithmetic number, because the mean of its divisors is an integer number (41520640).

Almost surely, 2^1011121124 is an apocalyptic number.

It is an amenable number.

1011121124 is a deficient number, since it is larger than the sum of its proper divisors (981869596).

1011121124 is a wasteful number, since it uses less digits than its factorization.

1011121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1011121124 is about 31798.1308255690. The cubic root of 1011121124 is about 1003.6933834581.

Adding to 1011121124 its reverse (4211211101), we get a palindrome (5222332225).

The spelling of 1011121124 in words is "one billion, eleven million, one hundred twenty-one thousand, one hundred twenty-four".