1016642 has 12 divisors (see below), whose sum is σ = 1676598. Its totient is φ = 462000.

The previous prime is 1016641. The next prime is 1016663. The reversal of 1016642 is 2466101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 14641 = 1001^2 + 121^2 .

It is not an unprimeable number, because it can be changed into a prime (1016641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1859 + ... + 2342.

2^1016642 is an apocalyptic number.

1016642 is a deficient number, since it is larger than the sum of its proper divisors (659956).

1016642 is a wasteful number, since it uses less digits than its factorization.

1016642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225 (or 4214 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1016642 is about 1008.2866655867. The cubic root of 1016642 is about 100.5516841820.

The spelling of 1016642 in words is "one million, sixteen thousand, six hundred forty-two".