1125745315 has 8 divisors (see below), whose sum is σ = 1394471808. Its totient is φ = 871544640.

The previous prime is 1125745297. The next prime is 1125745331. The reversal of 1125745315 is 5135475211.

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

It is not a de Polignac number, because 1125745315 - 2¹⁵ = 1125712547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3631282 + ... + 3631591.

It is an arithmetic number, because the mean of its divisors is an integer number (174308976).

Almost surely, 2^1125745315 is an apocalyptic number.

1125745315 is a deficient number, since it is larger than the sum of its proper divisors (268726493).

1125745315 is an equidigital number, since it uses as much as digits as its factorization.

1125745315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262909.

The product of its digits is 21000, while the sum is 34.

The square root of 1125745315 is about 33552.1283229544. The cubic root of 1125745315 is about 1040.2715375167.

The spelling of 1125745315 in words is "one billion, one hundred twenty-five million, seven hundred forty-five thousand, three hundred fifteen".