142022124 has 18 divisors (see below), whose sum is σ = 359000460. Its totient is φ = 47340696.

The previous prime is 142022123. The next prime is 142022141. The reversal of 142022124 is 421220241.

142022124 is a `hidden beast` number, since 1 + 420 + 221 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142022097 and 142022106.

It is not an unprimeable number, because it can be changed into a prime (142022123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1972494 + ... + 1972565.

It is an arithmetic number, because the mean of its divisors is an integer number (19944470).

Almost surely, 2^142022124 is an apocalyptic number.

It is an amenable number.

142022124 is an abundant number, since it is smaller than the sum of its proper divisors (216978336).

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

142022124 is a wasteful number, since it uses less digits than its factorization.

142022124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945069 (or 3945064 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 142022124 is about 11917.3035540763. The cubic root of 142022124 is about 521.7374378677.

Adding to 142022124 its reverse (421220241), we get a palindrome (563242365).

The spelling of 142022124 in words is "one hundred forty-two million, twenty-two thousand, one hundred twenty-four".