11142898 has 16 divisors (see below), whose sum is σ = 18440856. Its totient is φ = 5016960.

The previous prime is 11142893. The next prime is 11142899. The reversal of 11142898 is 89824111.

It can be written as a sum of positive squares in 4 ways, for example, as 8139609 + 3003289 = 2853^2 + 1733^2 .

It is not an unprimeable number, because it can be changed into a prime (11142893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4161 + ... + 6292.

Almost surely, 2^11142898 is an apocalyptic number.

11142898 is a deficient number, since it is larger than the sum of its proper divisors (7297958).

11142898 is a wasteful number, since it uses less digits than its factorization.

11142898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509.

The product of its digits is 4608, while the sum is 34.

The square root of 11142898 is about 3338.0979614146. The cubic root of 11142898 is about 223.3569060042.

The spelling of 11142898 in words is "eleven million, one hundred forty-two thousand, eight hundred ninety-eight".