1121545130 has 32 divisors (see below), whose sum is σ = 2103494400. Its totient is φ = 430016832.

The previous prime is 1121545127. The next prime is 1121545141. The reversal of 1121545130 is 315451211.

It is a junction number, because it is equal to n+sod(n) for n = 1121545096 and 1121545105.

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, 26399 + ... + 54221.

It is an arithmetic number, because the mean of its divisors is an integer number (65734200).

Almost surely, 2^1121545130 is an apocalyptic number.

1121545130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121545130 is a deficient number, since it is larger than the sum of its proper divisors (981949270).

1121545130 is a wasteful number, since it uses less digits than its factorization.

1121545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27998.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1121545130 is about 33489.4778997822. The cubic root of 1121545130 is about 1038.9761651168.

Adding to 1121545130 its reverse (315451211), we get a palindrome (1436996341).

The spelling of 1121545130 in words is "one billion, one hundred twenty-one million, five hundred forty-five thousand, one hundred thirty".