43401120 has 96 divisors (see below), whose sum is σ = 156256128. Its totient is φ = 9919488.

The previous prime is 43401109. The next prime is 43401131. The reversal of 43401120 is 2110434.

43401120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43401109) and next prime (43401131).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 43401120.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3099 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (1627668).

Almost surely, 2^43401120 is an apocalyptic number.

43401120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43401120 is an abundant number, since it is smaller than the sum of its proper divisors (112855008).

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

43401120 is a wasteful number, since it uses less digits than its factorization.

43401120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12942 (or 12934 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 43401120 is about 6587.9526409955. The cubic root of 43401120 is about 351.4258028355.

Adding to 43401120 its reverse (2110434), we get a palindrome (45511554).

It can be divided in two parts, 4340 and 1120, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 43401120 in words is "forty-three million, four hundred one thousand, one hundred twenty".