1125372745 has 32 divisors (see below), whose sum is σ = 1570353408. Its totient is φ = 758274048.

The previous prime is 1125372739. The next prime is 1125372769. The reversal of 1125372745 is 5472735211.

It is not a de Polignac number, because 1125372745 - 2⁹ = 1125372233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 860382 + ... + 861688.

It is an arithmetic number, because the mean of its divisors is an integer number (49073544).

Almost surely, 2^1125372745 is an apocalyptic number.

It is an amenable number.

1125372745 is a deficient number, since it is larger than the sum of its proper divisors (444980663).

1125372745 is a wasteful number, since it uses less digits than its factorization.

1125372745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its digits is 58800, while the sum is 37.

The square root of 1125372745 is about 33546.5757566998. The cubic root of 1125372745 is about 1040.1567641525.

The spelling of 1125372745 in words is "one billion, one hundred twenty-five million, three hundred seventy-two thousand, seven hundred forty-five".