1149572041 has 4 divisors (see below), whose sum is σ = 1152983572. Its totient is φ = 1146160512.

The previous prime is 1149571999. The next prime is 1149572057. The reversal of 1149572041 is 1402759411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1402759411 = 269 ⋅5214719.

It can be written as a sum of positive squares in 2 ways, for example, as 447534025 + 702038016 = 21155^2 + 26496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149572041 - 2⁹ = 1149571529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149571988 and 1149572006.

It is not an unprimeable number, because it can be changed into a prime (1149572071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705260 + ... + 1705933.

It is an arithmetic number, because the mean of its divisors is an integer number (288245893).

Almost surely, 2^1149572041 is an apocalyptic number.

It is an amenable number.

1149572041 is a deficient number, since it is larger than the sum of its proper divisors (3411531).

1149572041 is an equidigital number, since it uses as much as digits as its factorization.

1149572041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411530.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1149572041 is about 33905.3394172658. The cubic root of 1149572041 is about 1047.5595752576.

The spelling of 1149572041 in words is "one billion, one hundred forty-nine million, five hundred seventy-two thousand, forty-one".