1199600261 has 8 divisors (see below), whose sum is σ = 1212832320. Its totient is φ = 1186386048.

The previous prime is 1199600249. The next prime is 1199600279. The reversal of 1199600261 is 1620069911.

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

It is not a de Polignac number, because 1199600261 - 2¹⁴ = 1199583877 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 (1199600231) 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, 165920 + ... + 172998.

It is an arithmetic number, because the mean of its divisors is an integer number (151604040).

Almost surely, 2^1199600261 is an apocalyptic number.

It is an amenable number.

1199600261 is a deficient number, since it is larger than the sum of its proper divisors (13232059).

1199600261 is an equidigital number, since it uses as much as digits as its factorization.

1199600261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1199600261 is about 34635.2459353185. The cubic root of 1199600261 is about 1062.5405599465.

The spelling of 1199600261 in words is "one billion, one hundred ninety-nine million, six hundred thousand, two hundred sixty-one".