1125145415 has 8 divisors (see below), whose sum is σ = 1362562080. Its totient is φ = 891857952.

The previous prime is 1125145397. The next prime is 1125145421. The reversal of 1125145415 is 5145415211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125145415 - 2⁸ = 1125145159 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 7 ways as a sum of consecutive naturals, for example, 1031699 + ... + 1032788.

It is an arithmetic number, because the mean of its divisors is an integer number (170320260).

Almost surely, 2^1125145415 is an apocalyptic number.

1125145415 is a deficient number, since it is larger than the sum of its proper divisors (237416665).

1125145415 is a wasteful number, since it uses less digits than its factorization.

1125145415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064601.

The product of its digits is 4000, while the sum is 29.

The square root of 1125145415 is about 33543.1873112857. The cubic root of 1125145415 is about 1040.0867207641.

The spelling of 1125145415 in words is "one billion, one hundred twenty-five million, one hundred forty-five thousand, four hundred fifteen".