1339121 has 6 divisors (see below), whose sum is σ = 1557810. Its totient is φ = 1147776.

The previous prime is 1339111. The next prime is 1339127. The reversal of 1339121 is 1219331.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 207025 = 1064^2 + 455^2 .

It is not a de Polignac number, because 1339121 - 2⁶ = 1339057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1339093 and 1339102.

It is not an unprimeable number, because it can be changed into a prime (1339127) 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, 13616 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (259635).

2^1339121 is an apocalyptic number.

It is an amenable number.

1339121 is a deficient number, since it is larger than the sum of its proper divisors (218689).

1339121 is an equidigital number, since it uses as much as digits as its factorization.

1339121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27343 (or 27336 counting only the distinct ones).

The product of its digits is 162, while the sum is 20.

The square root of 1339121 is about 1157.2039578225. The cubic root of 1339121 is about 110.2232655426.

The spelling of 1339121 in words is "one million, three hundred thirty-nine thousand, one hundred twenty-one".