42143120 has 40 divisors (see below), whose sum is σ = 98404416. Its totient is φ = 16784768.

The previous prime is 42143089. The next prime is 42143141. The reversal of 42143120 is 2134124.

It is a tau number, because it is divible by the number of its divisors (40).

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, 20039 + ... + 22041.

Almost surely, 2^42143120 is an apocalyptic number.

42143120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42143120 is an abundant number, since it is smaller than the sum of its proper divisors (56261296).

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

42143120 is a wasteful number, since it uses less digits than its factorization.

42143120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42143120 is about 6491.7732554365. The cubic root of 42143120 is about 347.9970493430.

Adding to 42143120 its reverse (2134124), we get a palindrome (44277244).

The spelling of 42143120 in words is "forty-two million, one hundred forty-three thousand, one hundred twenty".