1201641799 has 8 divisors (see below), whose sum is σ = 1208678400. Its totient is φ = 1194615576.

The previous prime is 1201641781. The next prime is 1201641803. The reversal of 1201641799 is 9971461021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201641799 - 2²⁵ = 1168087367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201641769) 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, 409074 + ... + 412000.

It is an arithmetic number, because the mean of its divisors is an integer number (151084800).

Almost surely, 2^1201641799 is an apocalyptic number.

1201641799 is a deficient number, since it is larger than the sum of its proper divisors (7036601).

1201641799 is a wasteful number, since it uses less digits than its factorization.

1201641799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1201641799 is about 34664.7053788143. The cubic root of 1201641799 is about 1063.1429793809.

The spelling of 1201641799 in words is "one billion, two hundred one million, six hundred forty-one thousand, seven hundred ninety-nine".