1206142 has 16 divisors (see below), whose sum is σ = 2090592. Its totient is φ = 511200.

The previous prime is 1206131. The next prime is 1206151. The reversal of 1206142 is 2416021.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (130662).

2^1206142 is an apocalyptic number.

1206142 is a deficient number, since it is larger than the sum of its proper divisors (884450).

1206142 is a wasteful number, since it uses less digits than its factorization.

1206142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1206142 is about 1098.2449635669. The cubic root of 1206142 is about 106.4468498338.

The spelling of 1206142 in words is "one million, two hundred six thousand, one hundred forty-two".