11442137 has 8 divisors (see below), whose sum is σ = 13344000. Its totient is φ = 9807252.

The previous prime is 11442127. The next prime is 11442143. The reversal of 11442137 is 73124411.

It is a happy number.

It is not a de Polignac number, because 11442137 - 2⁴ = 11442121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11442127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16337 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (1668000).

Almost surely, 2^11442137 is an apocalyptic number.

It is an amenable number.

11442137 is a deficient number, since it is larger than the sum of its proper divisors (1901863).

11442137 is an frugal number, since it uses more digits than its factorization.

11442137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33380 (or 33366 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 11442137 is about 3382.6227989535. The cubic root of 11442137 is about 225.3386636598.

Adding to 11442137 its reverse (73124411), we get a palindrome (84566548).

The spelling of 11442137 in words is "eleven million, four hundred forty-two thousand, one hundred thirty-seven".