1201209411 has 16 divisors (see below), whose sum is σ = 1615343616. Its totient is φ = 793967136.

The previous prime is 1201209367. The next prime is 1201209439. The reversal of 1201209411 is 1149021021.

It is a happy number.

It is not a de Polignac number, because 1201209411 - 2¹⁰ = 1201208387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201202411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195756 + ... + 201798.

It is an arithmetic number, because the mean of its divisors is an integer number (100958976).

Almost surely, 2^1201209411 is an apocalyptic number.

1201209411 is a deficient number, since it is larger than the sum of its proper divisors (414134205).

1201209411 is a wasteful number, since it uses less digits than its factorization.

1201209411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1201209411 is about 34658.4680994414. The cubic root of 1201209411 is about 1063.0154468070.

The spelling of 1201209411 in words is "one billion, two hundred one million, two hundred nine thousand, four hundred eleven".