148204121251 has 4 divisors (see below), whose sum is σ = 148204939032. Its totient is φ = 148203303472.

The previous prime is 148204121239. The next prime is 148204121257. The reversal of 148204121251 is 152121402841.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 148204121251 - 2⁷ = 148204121123 is a prime.

It is a super-2 number, since 2×148204121251² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148204121257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245 + ... + 544438.

It is an arithmetic number, because the mean of its divisors is an integer number (37051234758).

Almost surely, 2^148204121251 is an apocalyptic number.

148204121251 is a deficient number, since it is larger than the sum of its proper divisors (817781).

148204121251 is an equidigital number, since it uses as much as digits as its factorization.

148204121251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817780.

The product of its (nonzero) digits is 5120, while the sum is 31.

The spelling of 148204121251 in words is "one hundred forty-eight billion, two hundred four million, one hundred twenty-one thousand, two hundred fifty-one".