148006121 has 4 divisors (see below), whose sum is σ = 152780544. Its totient is φ = 143231700.

The previous prime is 148006109. The next prime is 148006141. The reversal of 148006121 is 121600841.

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 a de Polignac number, because none of the positive numbers 2^k-148006121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148006141) 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, 2387165 + ... + 2387226.

It is an arithmetic number, because the mean of its divisors is an integer number (38195136).

Almost surely, 2^148006121 is an apocalyptic number.

It is an amenable number.

148006121 is a deficient number, since it is larger than the sum of its proper divisors (4774423).

148006121 is an equidigital number, since it uses as much as digits as its factorization.

148006121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774422.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 148006121 is about 12165.7766295457. The cubic root of 148006121 is about 528.9645393926.

Adding to 148006121 its reverse (121600841), we get a palindrome (269606962).

The spelling of 148006121 in words is "one hundred forty-eight million, six thousand, one hundred twenty-one".