11142741 has 16 divisors (see below), whose sum is σ = 15611904. Its totient is φ = 7055664.

The previous prime is 11142731. The next prime is 11142751. The reversal of 11142741 is 14724111.

It is an interprime number because it is at equal distance from previous prime (11142731) and next prime (11142751).

It is not a de Polignac number, because 11142741 - 2⁷ = 11142613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11040 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (975744).

Almost surely, 2^11142741 is an apocalyptic number.

It is an amenable number.

11142741 is a deficient number, since it is larger than the sum of its proper divisors (4469163).

11142741 is a wasteful number, since it uses less digits than its factorization.

11142741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its digits is 224, while the sum is 21.

The square root of 11142741 is about 3338.0744449458. The cubic root of 11142741 is about 223.3558569893.

Adding to 11142741 its reverse (14724111), we get a palindrome (25866852).

The spelling of 11142741 in words is "eleven million, one hundred forty-two thousand, seven hundred forty-one".