1125500430 has 32 divisors (see below), whose sum is σ = 2767087008. Its totient is φ = 292812800.

The previous prime is 1125500417. The next prime is 1125500437. The reversal of 1125500430 is 340055211.

It is a junction number, because it is equal to n+sod(n) for n = 1125500397 and 1125500406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125500437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456291 + ... + 458750.

It is an arithmetic number, because the mean of its divisors is an integer number (86471469).

Almost surely, 2^1125500430 is an apocalyptic number.

1125500430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125500430 is an abundant number, since it is smaller than the sum of its proper divisors (1641586578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125500430 is a wasteful number, since it uses less digits than its factorization.

1125500430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915092.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1125500430 is about 33548.4788030694. The cubic root of 1125500430 is about 1040.1961014578.

Adding to 1125500430 its reverse (340055211), we get a palindrome (1465555641).

The spelling of 1125500430 in words is "one billion, one hundred twenty-five million, five hundred thousand, four hundred thirty".