1121001207 has 4 divisors (see below), whose sum is σ = 1494668280. Its totient is φ = 747334136.

The previous prime is 1121001151. The next prime is 1121001227. The reversal of 1121001207 is 7021001211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121001207 - 2⁶ = 1121001143 is a prime.

It is a super-3 number, since 3×1121001207³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121001227) 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, 186833532 + ... + 186833537.

It is an arithmetic number, because the mean of its divisors is an integer number (373667070).

Almost surely, 2^1121001207 is an apocalyptic number.

1121001207 is a deficient number, since it is larger than the sum of its proper divisors (373667073).

1121001207 is an equidigital number, since it uses as much as digits as its factorization.

1121001207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373667072.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 1121001207 is about 33481.3561105281. The cubic root of 1121001207 is about 1038.8081782924.

Adding to 1121001207 its reverse (7021001211), we get a palindrome (8142002418).

The spelling of 1121001207 in words is "one billion, one hundred twenty-one million, one thousand, two hundred seven".