1000200122 has 8 divisors (see below), whose sum is σ = 1500498516. Its totient is φ = 500033952.

The previous prime is 1000200107. The next prime is 1000200127. The reversal of 1000200122 is 2210020001.

It can be written as a sum of positive squares in 2 ways, for example, as 999887641 + 312481 = 31621^2 + 559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1000200127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11273 + ... + 46124.

Almost surely, 2^1000200122 is an apocalyptic number.

1000200122 is a deficient number, since it is larger than the sum of its proper divisors (500298394).

1000200122 is an equidigital number, since it uses as much as digits as its factorization.

1000200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66112.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1000200122 is about 31625.9406500423. The cubic root of 1000200122 is about 1000.0667028840.

Adding to 1000200122 its reverse (2210020001), we get a palindrome (3210220123).

The spelling of 1000200122 in words is "one billion, two hundred thousand, one hundred twenty-two".