1125372735 has 24 divisors (see below), whose sum is σ = 1951442064. Its totient is φ = 599953920.

The previous prime is 1125372707. The next prime is 1125372739. The reversal of 1125372735 is 5372735211.

It is a happy number.

1125372735 is a `hidden beast` number, since 112 + 537 + 2 + 7 + 3 + 5 = 666.

It is not a de Polignac number, because 1125372735 - 2⁶ = 1125372671 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1125372735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125372739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181039 + ... + 187151.

It is an arithmetic number, because the mean of its divisors is an integer number (81310086).

Almost surely, 2^1125372735 is an apocalyptic number.

1125372735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125372735 is a deficient number, since it is larger than the sum of its proper divisors (826069329).

1125372735 is a wasteful number, since it uses less digits than its factorization.

1125372735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215 (or 10212 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 1125372735 is about 33546.5756076533. The cubic root of 1125372735 is about 1040.1567610716.

The spelling of 1125372735 in words is "one billion, one hundred twenty-five million, three hundred seventy-two thousand, seven hundred thirty-five".