1125734430 has 16 divisors (see below), whose sum is σ = 2701762704. Its totient is φ = 300195840.

The previous prime is 1125734429. The next prime is 1125734447. The reversal of 1125734430 is 344375211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 37524481 = 1125734430 / (1 + 1 + 2 + 5 + 7 + 3 + 4 + 4 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18762211 + ... + 18762270.

It is an arithmetic number, because the mean of its divisors is an integer number (168860169).

Almost surely, 2^1125734430 is an apocalyptic number.

1125734430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125734430 is an abundant number, since it is smaller than the sum of its proper divisors (1576028274).

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

1125734430 is a wasteful number, since it uses less digits than its factorization.

1125734430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37524491.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1125734430 is about 33551.9661122862. The cubic root of 1125734430 is about 1040.2681846588.

The spelling of 1125734430 in words is "one billion, one hundred twenty-five million, seven hundred thirty-four thousand, four hundred thirty".