1121530430 has 32 divisors (see below), whose sum is σ = 2041411680. Its totient is φ = 443594880.

The previous prime is 1121530391. The next prime is 1121530483. The reversal of 1121530430 is 340351211.

It is a congruent number.

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, 868085 + ... + 869375.

It is an arithmetic number, because the mean of its divisors is an integer number (63794115).

Almost surely, 2^1121530430 is an apocalyptic number.

1121530430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121530430 is a deficient number, since it is larger than the sum of its proper divisors (919881250).

1121530430 is a wasteful number, since it uses less digits than its factorization.

1121530430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204.

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

The square root of 1121530430 is about 33489.2584271435. The cubic root of 1121530430 is about 1038.9716258385.

Adding to 1121530430 its reverse (340351211), we get a palindrome (1461881641).

The spelling of 1121530430 in words is "one billion, one hundred twenty-one million, five hundred thirty thousand, four hundred thirty".