142124200 has 24 divisors (see below), whose sum is σ = 330439230. Its totient is φ = 56849600.

The previous prime is 142124197. The next prime is 142124209. The reversal of 142124200 is 2421241.

It can be written as a sum of positive squares in 3 ways, for example, as 118679236 + 23444964 = 10894^2 + 4842^2 .

It is not an unprimeable number, because it can be changed into a prime (142124209) 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 5 ways as a sum of consecutive naturals, for example, 355111 + ... + 355510.

Almost surely, 2^142124200 is an apocalyptic number.

142124200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142124200 is an abundant number, since it is smaller than the sum of its proper divisors (188315030).

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

142124200 is a wasteful number, since it uses less digits than its factorization.

142124200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710637 (or 710628 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 142124200 is about 11921.5854650294. The cubic root of 142124200 is about 521.8624045868.

Adding to 142124200 its reverse (2421241), we get a palindrome (144545441).

The spelling of 142124200 in words is "one hundred forty-two million, one hundred twenty-four thousand, two hundred".