1000121092 has 12 divisors (see below), whose sum is σ = 1750571676. Its totient is φ = 499957760.

The previous prime is 1000121081. The next prime is 1000121093. The reversal of 1000121092 is 2901210001.

It can be written as a sum of positive squares in 2 ways, for example, as 509675776 + 490445316 = 22576^2 + 22146^2 .

It is not an unprimeable number, because it can be changed into a prime (1000121093) 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, 1213 + ... + 44740.

It is an arithmetic number, because the mean of its divisors is an integer number (145880973).

Almost surely, 2^1000121092 is an apocalyptic number.

It is an amenable number.

1000121092 is a deficient number, since it is larger than the sum of its proper divisors (750450584).

1000121092 is a wasteful number, since it uses less digits than its factorization.

1000121092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51398 (or 51396 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1000121092 is about 31624.6911763578. The cubic root of 1000121092 is about 1000.0403623709.

Adding to 1000121092 its reverse (2901210001), we get a palindrome (3901331093).

The spelling of 1000121092 in words is "one billion, one hundred twenty-one thousand, ninety-two".