1641142 has 8 divisors (see below), whose sum is σ = 2568816. Its totient is φ = 784872.

The previous prime is 1641137. The next prime is 1641161. The reversal of 1641142 is 2411461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17793 + ... + 17884.

It is an arithmetic number, because the mean of its divisors is an integer number (321102).

2^1641142 is an apocalyptic number.

1641142 is a deficient number, since it is larger than the sum of its proper divisors (927674).

1641142 is a wasteful number, since it uses less digits than its factorization.

1641142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35702.

The product of its digits is 192, while the sum is 19.

The square root of 1641142 is about 1281.0706459833. The cubic root of 1641142 is about 117.9547370210.

The spelling of 1641142 in words is "one million, six hundred forty-one thousand, one hundred forty-two".