11842057 has 2 divisors, whose sum is σ = 11842058. Its totient is φ = 11842056.

The previous prime is 11842037. The next prime is 11842097. The reversal of 11842057 is 75024811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11095561 + 746496 = 3331^2 + 864^2 .

It is an emirp because it is prime and its reverse (75024811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11842057 - 2¹⁵ = 11809289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11842037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5921028 + 5921029.

It is an arithmetic number, because the mean of its divisors is an integer number (5921029).

Almost surely, 2^11842057 is an apocalyptic number.

It is an amenable number.

11842057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11842057 is an equidigital number, since it uses as much as digits as its factorization.

11842057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 11842057 is about 3441.2289955770. The cubic root of 11842057 is about 227.9339669757.

Adding to 11842057 its reverse (75024811), we get a palindrome (86866868).

The spelling of 11842057 in words is "eleven million, eight hundred forty-two thousand, fifty-seven".