1157575241 has 4 divisors (see below), whose sum is σ = 1169036484. Its totient is φ = 1146114000.

The previous prime is 1157575219. The next prime is 1157575249. The reversal of 1157575241 is 1425757511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1142169616 + 15405625 = 33796^2 + 3925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157575241 - 2²² = 1153380937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1157575195 and 1157575204.

It is not an unprimeable number, because it can be changed into a prime (1157575249) 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, 5730470 + ... + 5730671.

It is an arithmetic number, because the mean of its divisors is an integer number (292259121).

Almost surely, 2^1157575241 is an apocalyptic number.

It is an amenable number.

1157575241 is a deficient number, since it is larger than the sum of its proper divisors (11461243).

1157575241 is a wasteful number, since it uses less digits than its factorization.

1157575241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11461242.

The product of its digits is 49000, while the sum is 38.

The square root of 1157575241 is about 34023.1574225556. The cubic root of 1157575241 is about 1049.9849554912.

The spelling of 1157575241 in words is "one billion, one hundred fifty-seven million, five hundred seventy-five thousand, two hundred forty-one".