1342121 has 4 divisors (see below), whose sum is σ = 1464144. Its totient is φ = 1220100.

The previous prime is 1342111. The next prime is 1342139. The reversal of 1342121 is 1212431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1212431 = 11 ⋅110221.

It is a cyclic number.

It is not a de Polignac number, because 1342121 - 2¹⁰ = 1341097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342096 and 1342105.

It is not an unprimeable number, because it can be changed into a prime (1342111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60995 + ... + 61016.

It is an arithmetic number, because the mean of its divisors is an integer number (366036).

2^1342121 is an apocalyptic number.

1342121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1342121 is a deficient number, since it is larger than the sum of its proper divisors (122023).

1342121 is a wasteful number, since it uses less digits than its factorization.

1342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122022.

The product of its digits is 48, while the sum is 14.

The square root of 1342121 is about 1158.4994605092. The cubic root of 1342121 is about 110.3055143145.

Adding to 1342121 its reverse (1212431), we get a palindrome (2554552).

The spelling of 1342121 in words is "one million, three hundred forty-two thousand, one hundred twenty-one".