201126730 has 32 divisors (see below), whose sum is σ = 423843840. Its totient is φ = 67274880.

The previous prime is 201126721. The next prime is 201126733. The reversal of 201126730 is 37621102.

It is not an unprimeable number, because it can be changed into a prime (201126733) 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, 32170 + ... + 37909.

It is an arithmetic number, because the mean of its divisors is an integer number (13245120).

Almost surely, 2^201126730 is an apocalyptic number.

201126730 is an abundant number, since it is smaller than the sum of its proper divisors (222717110).

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

201126730 is a wasteful number, since it uses less digits than its factorization.

201126730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70134.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 201126730 is about 14181.9155969848. The cubic root of 201126730 is about 585.8996846303.

Adding to 201126730 its reverse (37621102), we get a palindrome (238747832).

The spelling of 201126730 in words is "two hundred one million, one hundred twenty-six thousand, seven hundred thirty".