1125473839 has 16 divisors (see below), whose sum is σ = 1308642048. Its totient is φ = 947973312.

The previous prime is 1125473779. The next prime is 1125473849. The reversal of 1125473839 is 9383745211.

It is a cyclic number.

It is not a de Polignac number, because 1125473839 - 2⁷ = 1125473711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125473795 and 1125473804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125473849) 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, 205059 + ... + 210475.

It is an arithmetic number, because the mean of its divisors is an integer number (81790128).

Almost surely, 2^1125473839 is an apocalyptic number.

1125473839 is a deficient number, since it is larger than the sum of its proper divisors (183168209).

1125473839 is an equidigital number, since it uses as much as digits as its factorization.

1125473839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934.

The product of its digits is 181440, while the sum is 43.

The square root of 1125473839 is about 33548.0824936389. The cubic root of 1125473839 is about 1040.1879095248.

The spelling of 1125473839 in words is "one billion, one hundred twenty-five million, four hundred seventy-three thousand, eight hundred thirty-nine".