1125205035 has 16 divisors (see below), whose sum is σ = 1827200256. Its totient is φ = 591151968.

The previous prime is 1125205033. The next prime is 1125205043. The reversal of 1125205035 is 5305025211.

It is a happy number.

It is not a de Polignac number, because 1125205035 - 2¹ = 1125205033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125204996 and 1125205014.

It is not an unprimeable number, because it can be changed into a prime (1125205033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558799 + ... + 560808.

It is an arithmetic number, because the mean of its divisors is an integer number (114200016).

Almost surely, 2^1125205035 is an apocalyptic number.

1125205035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125205035 is a deficient number, since it is larger than the sum of its proper divisors (701995221).

1125205035 is a wasteful number, since it uses less digits than its factorization.

1125205035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119682.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1125205035 is about 33544.0760045645. The cubic root of 1125205035 is about 1040.1050913896.

The spelling of 1125205035 in words is "one billion, one hundred twenty-five million, two hundred five thousand, thirty-five".