4191142 has 4 divisors (see below), whose sum is σ = 6286716. Its totient is φ = 2095570.

The previous prime is 4191137. The next prime is 4191151. The reversal of 4191142 is 2411914.

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

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, 1047784 + ... + 1047787.

It is an arithmetic number, because the mean of its divisors is an integer number (1571679).

Almost surely, 2^4191142 is an apocalyptic number.

4191142 is a deficient number, since it is larger than the sum of its proper divisors (2095574).

4191142 is a wasteful number, since it uses less digits than its factorization.

4191142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095573.

The product of its digits is 288, while the sum is 22.

The square root of 4191142 is about 2047.2278817953. The cubic root of 4191142 is about 161.2293581734.

The spelling of 4191142 in words is "four million, one hundred ninety-one thousand, one hundred forty-two".