1201449479541 has 8 divisors (see below), whose sum is σ = 1610232809280. Its totient is φ = 796816234752.

The previous prime is 1201449479521. The next prime is 1201449479561. The reversal of 1201449479541 is 1459749441021.

It is an interprime number because it is at equal distance from previous prime (1201449479521) and next prime (1201449479561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201449479541 - 2⁵ = 1201449479509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201449479521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037520561 + ... + 1037521718.

It is an arithmetic number, because the mean of its divisors is an integer number (201279101160).

Almost surely, 2^{1201449479541} is an apocalyptic number.

It is an amenable number.

1201449479541 is a deficient number, since it is larger than the sum of its proper divisors (408783329739).

1201449479541 is a wasteful number, since it uses less digits than its factorization.

1201449479541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075042475.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 1201449479541 in words is "one trillion, two hundred one billion, four hundred forty-nine million, four hundred seventy-nine thousand, five hundred forty-one".