1152728541 has 6 divisors (see below), whose sum is σ = 1665052350. Its totient is φ = 768485688.

The previous prime is 1152728539. The next prime is 1152728543. The reversal of 1152728541 is 1458272511.

It is a happy number.

1152728541 is a `hidden beast` number, since 11 + 527 + 2 + 85 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (1152728539) and next prime (1152728543).

It can be written as a sum of positive squares in only one way, i.e., 970073316 + 182655225 = 31146^2 + 13515^2 .

It is not a de Polignac number, because 1152728541 - 2¹ = 1152728539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1152728496 and 1152728505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152728543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64040466 + ... + 64040483.

It is an arithmetic number, because the mean of its divisors is an integer number (277508725).

Almost surely, 2^1152728541 is an apocalyptic number.

It is an amenable number.

1152728541 is a deficient number, since it is larger than the sum of its proper divisors (512323809).

1152728541 is a wasteful number, since it uses less digits than its factorization.

1152728541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128080955 (or 128080952 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 1152728541 is about 33951.8562231876. The cubic root of 1152728541 is about 1048.5174969433.

The spelling of 1152728541 in words is "one billion, one hundred fifty-two million, seven hundred twenty-eight thousand, five hundred forty-one".