42402115 has 8 divisors (see below), whose sum is σ = 58151520. Its totient is φ = 29075712.

The previous prime is 42402103. The next prime is 42402121. The reversal of 42402115 is 51120424.

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 42402115 - 2⁷ = 42401987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42402092 and 42402101.

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, 605710 + ... + 605779.

It is an arithmetic number, because the mean of its divisors is an integer number (7268940).

Almost surely, 2^42402115 is an apocalyptic number.

42402115 is a deficient number, since it is larger than the sum of its proper divisors (15749405).

42402115 is a wasteful number, since it uses less digits than its factorization.

42402115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211501.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 42402115 is about 6511.6906406862. The cubic root of 42402115 is about 348.7084781611.

Adding to 42402115 its reverse (51120424), we get a palindrome (93522539).

The spelling of 42402115 in words is "forty-two million, four hundred two thousand, one hundred fifteen".