200155126 has 16 divisors (see below), whose sum is σ = 311821920. Its totient is φ = 96275520.

The previous prime is 200155121. The next prime is 200155171. The reversal of 200155126 is 621551002.

It is a junction number, because it is equal to n+sod(n) for n = 200155097 and 200155106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200155121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8610 + ... + 21781.

It is an arithmetic number, because the mean of its divisors is an integer number (19488870).

Almost surely, 2^200155126 is an apocalyptic number.

200155126 is a deficient number, since it is larger than the sum of its proper divisors (111666794).

200155126 is a wasteful number, since it uses less digits than its factorization.

200155126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30519.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 200155126 is about 14147.6190929782. The cubic root of 200155126 is about 584.9547056270.

The spelling of 200155126 in words is "two hundred million, one hundred fifty-five thousand, one hundred twenty-six".