148924121 has 2 divisors, whose sum is σ = 148924122. Its totient is φ = 148924120.

The previous prime is 148924091. The next prime is 148924141. The reversal of 148924121 is 121429841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140304025 + 8620096 = 11845^2 + 2936^2 .

It is a cyclic number.

It is not a de Polignac number, because 148924121 - 2¹⁰ = 148923097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148924141) 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 as a sum of consecutive naturals, namely, 74462060 + 74462061.

It is an arithmetic number, because the mean of its divisors is an integer number (74462061).

Almost surely, 2^148924121 is an apocalyptic number.

It is an amenable number.

148924121 is a deficient number, since it is larger than the sum of its proper divisors (1).

148924121 is an equidigital number, since it uses as much as digits as its factorization.

148924121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 32.

The square root of 148924121 is about 12203.4470949810. The cubic root of 148924121 is about 530.0559107980.

The spelling of 148924121 in words is "one hundred forty-eight million, nine hundred twenty-four thousand, one hundred twenty-one".