1125605415 has 16 divisors (see below), whose sum is σ = 1964693376. Its totient is φ = 545748000.

The previous prime is 1125605407. The next prime is 1125605447. The reversal of 1125605415 is 5145065211.

It is not a de Polignac number, because 1125605415 - 2³ = 1125605407 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 3410761 + ... + 3411090.

It is an arithmetic number, because the mean of its divisors is an integer number (122793336).

Almost surely, 2^1125605415 is an apocalyptic number.

1125605415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125605415 is a deficient number, since it is larger than the sum of its proper divisors (839087961).

1125605415 is a wasteful number, since it uses less digits than its factorization.

1125605415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821870.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1125605415 is about 33550.0434425948. The cubic root of 1125605415 is about 1040.2284430988.

The spelling of 1125605415 in words is "one billion, one hundred twenty-five million, six hundred five thousand, four hundred fifteen".