1009801 has 8 divisors (see below), whose sum is σ = 1096200. Its totient is φ = 924672.

The previous prime is 1009787. The next prime is 1009807. The reversal of 1009801 is 1089001.

1009801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 226576 + 783225 = 476^2 + 885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1009801 - 2⁹ = 1009289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025 + ... + 2473.

It is an arithmetic number, because the mean of its divisors is an integer number (137025).

2^1009801 is an apocalyptic number.

It is an amenable number.

1009801 is a deficient number, since it is larger than the sum of its proper divisors (86399).

1009801 is a wasteful number, since it uses less digits than its factorization.

1009801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1009801 is about 1004.8885510344. Note that the first 3 decimals coincide. The cubic root of 1009801 is about 100.3256384450.

It can be divided in two parts, 100 and 9801, that multiplied together give a square (980100 = 990²).

The spelling of 1009801 in words is "one million, nine thousand, eight hundred one".