142122000 has 80 divisors (see below), whose sum is σ = 458220672. Its totient is φ = 37897600.

The previous prime is 142121983. The next prime is 142122007. The reversal of 142122000 is 221241.

142122000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (142122007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5844 + ... + 17843.

Almost surely, 2^142122000 is an apocalyptic number.

142122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142122000 is an abundant number, since it is smaller than the sum of its proper divisors (316098672).

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

142122000 is a wasteful number, since it uses less digits than its factorization.

142122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23713 (or 23697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 142122000 is about 11921.4931950658. The cubic root of 142122000 is about 521.8597118640.

Adding to 142122000 its reverse (221241), we get a palindrome (142343241).

The spelling of 142122000 in words is "one hundred forty-two million, one hundred twenty-two thousand".