1342506121 has 4 divisors (see below), whose sum is σ = 1464552144. Its totient is φ = 1220460100.

The previous prime is 1342506103. The next prime is 1342506163. The reversal of 1342506121 is 1216052431.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1342506121 - 2⁵ = 1342506089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342506521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61022995 + ... + 61023016.

It is an arithmetic number, because the mean of its divisors is an integer number (366138036).

Almost surely, 2^1342506121 is an apocalyptic number.

1342506121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1342506121 is a deficient number, since it is larger than the sum of its proper divisors (122046023).

1342506121 is a wasteful number, since it uses less digits than its factorization.

1342506121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122046022.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1342506121 is about 36640.2254496339. The cubic root of 1342506121 is about 1103.1606401088.

Adding to 1342506121 its reverse (1216052431), we get a palindrome (2558558552).

The spelling of 1342506121 in words is "one billion, three hundred forty-two million, five hundred six thousand, one hundred twenty-one".