43121148 has 24 divisors (see below), whose sum is σ = 114989952. Its totient is φ = 12320304.

The previous prime is 43121101. The next prime is 43121189. The reversal of 43121148 is 84112134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256590 + ... + 256757.

It is an arithmetic number, because the mean of its divisors is an integer number (4791248).

Almost surely, 2^43121148 is an apocalyptic number.

It is an amenable number.

43121148 is an abundant number, since it is smaller than the sum of its proper divisors (71868804).

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

43121148 is a wasteful number, since it uses less digits than its factorization.

43121148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513361 (or 513359 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 43121148 is about 6566.6694754647. The cubic root of 43121148 is about 350.6685127794.

It can be divided in two parts, 4312 and 1148, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 43121148 in words is "forty-three million, one hundred twenty-one thousand, one hundred forty-eight".