11780242 has 4 divisors (see below), whose sum is σ = 17670366. Its totient is φ = 5890120.

The previous prime is 11780233. The next prime is 11780261. The reversal of 11780242 is 24208711.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 11758041 + 22201 = 3429^2 + 149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2945059 + ... + 2945062.

Almost surely, 2^11780242 is an apocalyptic number.

11780242 is a deficient number, since it is larger than the sum of its proper divisors (5890124).

11780242 is an equidigital number, since it uses as much as digits as its factorization.

11780242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890123.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 11780242 is about 3432.2357145161. The cubic root of 11780242 is about 227.5366732330.

Adding to 11780242 its reverse (24208711), we get a palindrome (35988953).

The spelling of 11780242 in words is "eleven million, seven hundred eighty thousand, two hundred forty-two".