11320142 has 4 divisors (see below), whose sum is σ = 16980216. Its totient is φ = 5660070.

The previous prime is 11320129. The next prime is 11320151. The reversal of 11320142 is 24102311.

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

It is a super-2 number, since 2×11320142² = 256291229800328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830034 + ... + 2830037.

It is an arithmetic number, because the mean of its divisors is an integer number (4245054).

Almost surely, 2^11320142 is an apocalyptic number.

11320142 is a deficient number, since it is larger than the sum of its proper divisors (5660074).

11320142 is an equidigital number, since it uses as much as digits as its factorization.

11320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660073.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11320142 is about 3364.5418707456. The cubic root of 11320142 is about 224.5349538749.

Adding to 11320142 its reverse (24102311), we get a palindrome (35422453).

The spelling of 11320142 in words is "eleven million, three hundred twenty thousand, one hundred forty-two".