43020115 has 8 divisors (see below), whose sum is σ = 54660960. Its totient is φ = 32391552.

The previous prime is 43020077. The next prime is 43020127. The reversal of 43020115 is 51102034.

43020115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43020115 - 2²⁵ = 9465683 is a prime.

It is a super-2 number, since 2×43020115² = 3701460589226450, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 252975 + ... + 253144.

It is an arithmetic number, because the mean of its divisors is an integer number (6832620).

Almost surely, 2^43020115 is an apocalyptic number.

43020115 is a deficient number, since it is larger than the sum of its proper divisors (11640845).

43020115 is a wasteful number, since it uses less digits than its factorization.

43020115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506141.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 43020115 is about 6558.9720993461. The cubic root of 43020115 is about 350.3944260901.

Adding to 43020115 its reverse (51102034), we get a palindrome (94122149).

The spelling of 43020115 in words is "forty-three million, twenty thousand, one hundred fifteen".