148121272 has 64 divisors (see below), whose sum is σ = 319032000. Its totient is φ = 63866880.

The previous prime is 148121269. The next prime is 148121279. The reversal of 148121272 is 272121841.

It is a super-2 number, since 2×148121272² = 43879822437795968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148121272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148121279) 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, 351622 + ... + 352042.

It is an arithmetic number, because the mean of its divisors is an integer number (4984875).

Almost surely, 2^148121272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148121272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159516000).

148121272 is an abundant number, since it is smaller than the sum of its proper divisors (170910728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148121272 is a wasteful number, since it uses less digits than its factorization.

148121272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 652 counting only the distinct ones).

The product of its digits is 1792, while the sum is 28.

The square root of 148121272 is about 12170.5082884816. The cubic root of 148121272 is about 529.1016846349.

The spelling of 148121272 in words is "one hundred forty-eight million, one hundred twenty-one thousand, two hundred seventy-two".