1121543030 has 8 divisors (see below), whose sum is σ = 2018777472. Its totient is φ = 448617208.

The previous prime is 1121543029. The next prime is 1121543047. The reversal of 1121543030 is 303451211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1121542993 and 1121543011.

It is a congruent number.

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, 56077142 + ... + 56077161.

It is an arithmetic number, because the mean of its divisors is an integer number (252347184).

Almost surely, 2^1121543030 is an apocalyptic number.

1121543030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121543030 is a deficient number, since it is larger than the sum of its proper divisors (897234442).

1121543030 is a wasteful number, since it uses less digits than its factorization.

1121543030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112154310.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1121543030 is about 33489.4465466362. The cubic root of 1121543030 is about 1038.9755166509.

Adding to 1121543030 its reverse (303451211), we get a palindrome (1424994241).

It can be divided in two parts, 11215 and 43030, that added together give a palindrome (54245).

The spelling of 1121543030 in words is "one billion, one hundred twenty-one million, five hundred forty-three thousand, thirty".