1774142 has 8 divisors (see below), whose sum is σ = 2667600. Its totient is φ = 884944.

The previous prime is 1774139. The next prime is 1774159. The reversal of 1774142 is 2414771.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 359 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (333450).

2^1774142 is an apocalyptic number.

1774142 is a deficient number, since it is larger than the sum of its proper divisors (893458).

1774142 is a wasteful number, since it uses less digits than its factorization.

1774142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its digits is 1568, while the sum is 26.

The square root of 1774142 is about 1331.9692188636. The cubic root of 1774142 is about 121.0587334105.

The spelling of 1774142 in words is "one million, seven hundred seventy-four thousand, one hundred forty-two".