1068642 has 12 divisors (see below), whose sum is σ = 2315430. Its totient is φ = 356208.

The previous prime is 1068631. The next prime is 1068677. The reversal of 1068642 is 2468601.

1068642 is a `hidden beast` number, since 10 + 6 + 8 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 9801 = 1029^2 + 99^2 .

It is a super-2 number, since 2×1068642² = 2283991448328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29667 + ... + 29702.

2^1068642 is an apocalyptic number.

1068642 is an abundant number, since it is smaller than the sum of its proper divisors (1246788).

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

1068642 is a wasteful number, since it uses less digits than its factorization.

1068642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59377 (or 59374 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1068642 is about 1033.7514207971. The cubic root of 1068642 is about 102.2376236158.

The spelling of 1068642 in words is "one million, sixty-eight thousand, six hundred forty-two".