1342230121 has 4 divisors (see below), whose sum is σ = 1421184852. Its totient is φ = 1263275392.

The previous prime is 1342230119. The next prime is 1342230133. The reversal of 1342230121 is 1210322431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1210322431 = 773 ⋅1565747.

It can be written as a sum of positive squares in 2 ways, for example, as 1151652096 + 190578025 = 33936^2 + 13805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342230121 - 2¹ = 1342230119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342230521) 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, 39477340 + ... + 39477373.

It is an arithmetic number, because the mean of its divisors is an integer number (355296213).

Almost surely, 2^1342230121 is an apocalyptic number.

It is an amenable number.

1342230121 is a deficient number, since it is larger than the sum of its proper divisors (78954731).

1342230121 is an equidigital number, since it uses as much as digits as its factorization.

1342230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78954730.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1342230121 is about 36636.4589036659. The cubic root of 1342230121 is about 1103.0850369267.

Adding to 1342230121 its reverse (1210322431), we get a palindrome (2552552552).

The spelling of 1342230121 in words is "one billion, three hundred forty-two million, two hundred thirty thousand, one hundred twenty-one".