1000142 has 24 divisors (see below), whose sum is σ = 1778760. Its totient is φ = 418080.

The previous prime is 1000133. The next prime is 1000151. The reversal of 1000142 is 2410001.

It is an interprime number because it is at equal distance from previous prime (1000133) and next prime (1000151).

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 11 ways as a sum of consecutive naturals, for example, 3584 + ... + 3852.

It is an arithmetic number, because the mean of its divisors is an integer number (74115).

2^1000142 is an apocalyptic number.

1000142 is a deficient number, since it is larger than the sum of its proper divisors (778618).

1000142 is a wasteful number, since it uses less digits than its factorization.

1000142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1000142 is about 1000.0709974797. The cubic root of 1000142 is about 100.0047331093.

Adding to 1000142 its reverse (2410001), we get a palindrome (3410143).

It can be divided in two parts, 100014 and 2, that multiplied together give a triangular number (200028 = T₆₃₂).

The spelling of 1000142 in words is "one million, one hundred forty-two", and thus it is an aban number.