200400124 has 24 divisors (see below), whose sum is σ = 359594928. Its totient is φ = 97668480.

The previous prime is 200400077. The next prime is 200400133. The reversal of 200400124 is 421004002.

It is a super-3 number, since 3×200400124³ (a number of 26 digits) contains 333 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 in 7 ways as a sum of consecutive naturals, for example, 115584 + ... + 117304.

It is an arithmetic number, because the mean of its divisors is an integer number (14983122).

Almost surely, 2^200400124 is an apocalyptic number.

It is an amenable number.

200400124 is a deficient number, since it is larger than the sum of its proper divisors (159194804).

200400124 is a wasteful number, since it uses less digits than its factorization.

200400124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 200400124 is about 14156.2750750330. The cubic root of 200400124 is about 585.1932777486.

Adding to 200400124 its reverse (421004002), we get a palindrome (621404126).

The spelling of 200400124 in words is "two hundred million, four hundred thousand, one hundred twenty-four".