1200121341 has 24 divisors (see below), whose sum is σ = 1703481600. Its totient is φ = 751398912.

The previous prime is 1200121327. The next prime is 1200121343. The reversal of 1200121341 is 1431210021.

It is not a de Polignac number, because 1200121341 - 2¹³ = 1200113149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200121341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200121343) 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 23 ways as a sum of consecutive naturals, for example, 499060 + ... + 501458.

It is an arithmetic number, because the mean of its divisors is an integer number (70978400).

Almost surely, 2^1200121341 is an apocalyptic number.

It is an amenable number.

1200121341 is a deficient number, since it is larger than the sum of its proper divisors (503360259).

1200121341 is a wasteful number, since it uses less digits than its factorization.

1200121341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1200121341 is about 34642.7675135807. The cubic root of 1200121341 is about 1062.6943857680.

Adding to 1200121341 its reverse (1431210021), we get a palindrome (2631331362).

The spelling of 1200121341 in words is "one billion, two hundred million, one hundred twenty-one thousand, three hundred forty-one".