417212142 has 16 divisors (see below), whose sum is σ = 834632832. Its totient is φ = 139035960.

The previous prime is 417212141. The next prime is 417212161. The reversal of 417212142 is 241212714.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417212141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31917 + ... + 43047.

It is an arithmetic number, because the mean of its divisors is an integer number (52164552).

Almost surely, 2^417212142 is an apocalyptic number.

417212142 is an abundant number, since it is smaller than the sum of its proper divisors (417420690).

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

417212142 is a wasteful number, since it uses less digits than its factorization.

417212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17383.

The product of its digits is 896, while the sum is 24.

The square root of 417212142 is about 20425.7715154165. The cubic root of 417212142 is about 747.2265817320.

Adding to 417212142 its reverse (241212714), we get a palindrome (658424856).

The spelling of 417212142 in words is "four hundred seventeen million, two hundred twelve thousand, one hundred forty-two".