1229101 has 8 divisors (see below), whose sum is σ = 1265400. Its totient is φ = 1193472.

The previous prime is 1229093. The next prime is 1229113. The reversal of 1229101 is 1019221.

1229101 = 9² + 10² + ... + 154².

It can be written as a sum of positive squares in 4 ways, for example, as 16900 + 1212201 = 130^2 + 1101^2 .

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 1229101 - 2³ = 1229093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229131) 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, 8175 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (158175).

2^1229101 is an apocalyptic number.

It is an amenable number.

1229101 is a deficient number, since it is larger than the sum of its proper divisors (36299).

1229101 is a wasteful number, since it uses less digits than its factorization.

1229101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1229101 is about 1108.6482760551. The cubic root of 1229101 is about 107.1180169293.

The spelling of 1229101 in words is "one million, two hundred twenty-nine thousand, one hundred one".