1122901 has 8 divisors (see below), whose sum is σ = 1280664. Its totient is φ = 975360.

The previous prime is 1122899. The next prime is 1122923. The reversal of 1122901 is 1092211.

It can be written as a sum of positive squares in 4 ways, for example, as 22500 + 1100401 = 150^2 + 1049^2 .

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 1122901 - 2¹ = 1122899 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122941) 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, 2320 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (160083).

2^1122901 is an apocalyptic number.

It is an amenable number.

1122901 is a deficient number, since it is larger than the sum of its proper divisors (157763).

1122901 is a wasteful number, since it uses less digits than its factorization.

1122901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111.

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

The square root of 1122901 is about 1059.6702317231. The cubic root of 1122901 is about 103.9394679800.

The spelling of 1122901 in words is "one million, one hundred twenty-two thousand, nine hundred one".