1121533124 has 24 divisors (see below), whose sum is σ = 2064787200. Its totient is φ = 532249760.

The previous prime is 1121533103. The next prime is 1121533157. The reversal of 1121533124 is 4213351211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121533124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75092 + ... + 88779.

It is an arithmetic number, because the mean of its divisors is an integer number (86032800).

Almost surely, 2^1121533124 is an apocalyptic number.

It is an amenable number.

1121533124 is a deficient number, since it is larger than the sum of its proper divisors (943254076).

1121533124 is a wasteful number, since it uses less digits than its factorization.

1121533124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163963 (or 163961 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1121533124 is about 33489.2986489714. The cubic root of 1121533124 is about 1038.9724577337.

Adding to 1121533124 its reverse (4213351211), we get a palindrome (5334884335).

The spelling of 1121533124 in words is "one billion, one hundred twenty-one million, five hundred thirty-three thousand, one hundred twenty-four".