1206342 has 24 divisors (see below), whose sum is σ = 2705040. Its totient is φ = 388080.

The previous prime is 1206341. The next prime is 1206347. The reversal of 1206342 is 2436021.

It is a happy number.

It is a super-2 number, since 2×1206342² = 2910522041928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (112710).

2^1206342 is an apocalyptic number.

1206342 is an abundant number, since it is smaller than the sum of its proper divisors (1498698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206342 is a wasteful number, since it uses less digits than its factorization.

1206342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1206342 is about 1098.3360141596. The cubic root of 1206342 is about 106.4527331083.

The spelling of 1206342 in words is "one million, two hundred six thousand, three hundred forty-two".