1342215121 has 16 divisors (see below), whose sum is σ = 1460107264. Its totient is φ = 1226461824.

The previous prime is 1342215109. The next prime is 1342215179. The reversal of 1342215121 is 1215122431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342215121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342215092 and 1342215101.

It is not an unprimeable number, because it can be changed into a prime (1342215101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298821 + ... + 1299853.

It is an arithmetic number, because the mean of its divisors is an integer number (91256704).

Almost surely, 2^1342215121 is an apocalyptic number.

It is an amenable number.

1342215121 is a deficient number, since it is larger than the sum of its proper divisors (117892143).

1342215121 is a wasteful number, since it uses less digits than its factorization.

1342215121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its digits is 480, while the sum is 22.

The square root of 1342215121 is about 36636.2541889861. The cubic root of 1342215121 is about 1103.0809277612.

Adding to 1342215121 its reverse (1215122431), we get a palindrome (2557337552).

The spelling of 1342215121 in words is "one billion, three hundred forty-two million, two hundred fifteen thousand, one hundred twenty-one".