1609101 has 24 divisors (see below), whose sum is σ = 2653560. Its totient is φ = 930816.

The previous prime is 1609099. The next prime is 1609109. The reversal of 1609101 is 1019061.

It can be written as a sum of positive squares in 4 ways, for example, as 455625 + 1153476 = 675^2 + 1074^2 .

It is not a de Polignac number, because 1609101 - 2¹ = 1609099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1585 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (110565).

2^1609101 is an apocalyptic number.

It is an amenable number.

1609101 is a deficient number, since it is larger than the sum of its proper divisors (1044459).

1609101 is a wasteful number, since it uses less digits than its factorization.

1609101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1609101 is about 1268.5034489508. The cubic root of 1609101 is about 117.1820527601.

It can be divided in two parts, 160 and 9101, that added together give a cube (9261 = 21³).

The spelling of 1609101 in words is "one million, six hundred nine thousand, one hundred one".