11271442 has 32 divisors (see below), whose sum is σ = 22038912. Its totient is φ = 4195584.

The previous prime is 11271439. The next prime is 11271467. The reversal of 11271442 is 24417211.

It is a super-3 number, since 3×11271442³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273 + ... + 4915.

It is an arithmetic number, because the mean of its divisors is an integer number (688716).

Almost surely, 2^11271442 is an apocalyptic number.

11271442 is a deficient number, since it is larger than the sum of its proper divisors (10767470).

11271442 is a wasteful number, since it uses less digits than its factorization.

11271442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682.

The product of its digits is 448, while the sum is 22.

The square root of 11271442 is about 3357.2968292959. The cubic root of 11271442 is about 224.2125029533.

Adding to 11271442 its reverse (24417211), we get a palindrome (35688653).

The spelling of 11271442 in words is "eleven million, two hundred seventy-one thousand, four hundred forty-two".