1125694745 has 8 divisors (see below), whose sum is σ = 1543809984. Its totient is φ = 771904944.

The previous prime is 1125694741. The next prime is 1125694777. The reversal of 1125694745 is 5474965211.

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 1125694745 - 2² = 1125694741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125694696 and 1125694705.

It is not an unprimeable number, because it can be changed into a prime (1125694741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16081319 + ... + 16081388.

It is an arithmetic number, because the mean of its divisors is an integer number (192976248).

Almost surely, 2^1125694745 is an apocalyptic number.

It is an amenable number.

1125694745 is a deficient number, since it is larger than the sum of its proper divisors (418115239).

1125694745 is an equidigital number, since it uses as much as digits as its factorization.

1125694745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32162719.

The product of its digits is 302400, while the sum is 44.

The square root of 1125694745 is about 33551.3747110308. The cubic root of 1125694745 is about 1040.2559604826.

The spelling of 1125694745 in words is "one billion, one hundred twenty-five million, six hundred ninety-four thousand, seven hundred forty-five".