200124142 has 4 divisors (see below), whose sum is σ = 300186216. Its totient is φ = 100062070.

The previous prime is 200124137. The next prime is 200124161. The reversal of 200124142 is 241421002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241421002 = 2 ⋅120710501.

It is a super-2 number, since 2×200124142² = 80099344422472328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50031034 + ... + 50031037.

It is an arithmetic number, because the mean of its divisors is an integer number (75046554).

Almost surely, 2^200124142 is an apocalyptic number.

200124142 is a deficient number, since it is larger than the sum of its proper divisors (100062074).

200124142 is a wasteful number, since it uses less digits than its factorization.

200124142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100062073.

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

The square root of 200124142 is about 14146.5240253569. The cubic root of 200124142 is about 584.9245204197.

Adding to 200124142 its reverse (241421002), we get a palindrome (441545144).

The spelling of 200124142 in words is "two hundred million, one hundred twenty-four thousand, one hundred forty-two".