11271842 has 4 divisors (see below), whose sum is σ = 16907766. Its totient is φ = 5635920.

The previous prime is 11271829. The next prime is 11271847. The reversal of 11271842 is 24817211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24817211 = 19 ⋅1306169.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 109561 = 3341^2 + 331^2 .

It is not an unprimeable number, because it can be changed into a prime (11271847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2817959 + ... + 2817962.

Almost surely, 2^11271842 is an apocalyptic number.

11271842 is a deficient number, since it is larger than the sum of its proper divisors (5635924).

11271842 is an equidigital number, since it uses as much as digits as its factorization.

11271842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635923.

The product of its digits is 896, while the sum is 26.

The square root of 11271842 is about 3357.3564005032. The cubic root of 11271842 is about 224.2151552002.

The spelling of 11271842 in words is "eleven million, two hundred seventy-one thousand, eight hundred forty-two".