42150117 has 8 divisors (see below), whose sum is σ = 57396096. Its totient is φ = 27502112.

The previous prime is 42150047. The next prime is 42150149. The reversal of 42150117 is 71105124.

It is a happy number.

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 42150117 - 2¹⁴ = 42133733 is a prime.

It is a super-2 number, since 2×42150117² = 3553264726227378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42150093 and 42150102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42150187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149328 + ... + 149609.

It is an arithmetic number, because the mean of its divisors is an integer number (7174512).

Almost surely, 2^42150117 is an apocalyptic number.

42150117 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42150117 is a deficient number, since it is larger than the sum of its proper divisors (15245979).

42150117 is a wasteful number, since it uses less digits than its factorization.

42150117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298987.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 42150117 is about 6492.3121459154. The cubic root of 42150117 is about 348.0163075328.

The spelling of 42150117 in words is "forty-two million, one hundred fifty thousand, one hundred seventeen".