146322121 has 4 divisors (see below), whose sum is σ = 159624144. Its totient is φ = 133020100.

The previous prime is 146322073. The next prime is 146322131. The reversal of 146322121 is 121223641.

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 146322121 - 2¹¹ = 146320073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146322092 and 146322101.

It is not an unprimeable number, because it can be changed into a prime (146322131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6650995 + ... + 6651016.

It is an arithmetic number, because the mean of its divisors is an integer number (39906036).

Almost surely, 2^146322121 is an apocalyptic number.

146322121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146322121 is a deficient number, since it is larger than the sum of its proper divisors (13302023).

146322121 is a wasteful number, since it uses less digits than its factorization.

146322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302022.

The product of its digits is 576, while the sum is 22.

The square root of 146322121 is about 12096.3680912909. The cubic root of 146322121 is about 526.9507123364.

Adding to 146322121 its reverse (121223641), we get a palindrome (267545762).

The spelling of 146322121 in words is "one hundred forty-six million, three hundred twenty-two thousand, one hundred twenty-one".