1045125849 has 16 divisors (see below), whose sum is σ = 1409945600. Its totient is φ = 688574736.

The previous prime is 1045125841. The next prime is 1045125869. The reversal of 1045125849 is 9485215401.

It is not a de Polignac number, because 1045125849 - 2³ = 1045125841 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045125841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87372 + ... + 98610.

It is an arithmetic number, because the mean of its divisors is an integer number (88121600).

Almost surely, 2^1045125849 is an apocalyptic number.

It is an amenable number.

1045125849 is a deficient number, since it is larger than the sum of its proper divisors (364819751).

1045125849 is a wasteful number, since it uses less digits than its factorization.

1045125849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11604.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 1045125849 is about 32328.4062242480. The cubic root of 1045125849 is about 1014.8211965525.

The spelling of 1045125849 in words is "one billion, forty-five million, one hundred twenty-five thousand, eight hundred forty-nine".