1001203122 has 8 divisors (see below), whose sum is σ = 2002406256. Its totient is φ = 333734372.

The previous prime is 1001203121. The next prime is 1001203123. The reversal of 1001203122 is 2213021001.

It is an interprime number because it is at equal distance from previous prime (1001203121) and next prime (1001203123).

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

1001203122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1001203098 and 1001203107.

It is not an unprimeable number, because it can be changed into a prime (1001203121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83433588 + ... + 83433599.

It is an arithmetic number, because the mean of its divisors is an integer number (250300782).

Almost surely, 2^1001203122 is an apocalyptic number.

1001203122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1001203122 is a wasteful number, since it uses less digits than its factorization.

1001203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166867192.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1001203122 is about 31641.7939124823. The cubic root of 1001203122 is about 1000.4008799405.

Adding to 1001203122 its reverse (2213021001), we get a palindrome (3214224123).

The spelling of 1001203122 in words is "one billion, one million, two hundred three thousand, one hundred twenty-two".