1010433121 has 4 divisors (see below), whose sum is σ = 1014081172. Its totient is φ = 1006785072.

The previous prime is 1010433107. The next prime is 1010433139. The reversal of 1010433121 is 1213340101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 607869025 + 402564096 = 24655^2 + 20064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010433121 - 2¹¹ = 1010431073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010433095 and 1010433104.

It is not an unprimeable number, because it can be changed into a prime (1010433101) 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, 1823610 + ... + 1824163.

It is an arithmetic number, because the mean of its divisors is an integer number (253520293).

Almost surely, 2^1010433121 is an apocalyptic number.

It is an amenable number.

1010433121 is a deficient number, since it is larger than the sum of its proper divisors (3648051).

1010433121 is an equidigital number, since it uses as much as digits as its factorization.

1010433121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648050.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1010433121 is about 31787.3106915322. The cubic root of 1010433121 is about 1003.4656821717.

Adding to 1010433121 its reverse (1213340101), we get a palindrome (2223773222).

The spelling of 1010433121 in words is "one billion, ten million, four hundred thirty-three thousand, one hundred twenty-one".