1201679011 has 8 divisors (see below), whose sum is σ = 1297210320. Its totient is φ = 1106589792.

The previous prime is 1201678987. The next prime is 1201679021. The reversal of 1201679011 is 1109761021.

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 1201679011 - 2¹⁹ = 1201154723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201679021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104860 + ... + 115753.

It is an arithmetic number, because the mean of its divisors is an integer number (162151290).

Almost surely, 2^1201679011 is an apocalyptic number.

1201679011 is a deficient number, since it is larger than the sum of its proper divisors (95531309).

1201679011 is a wasteful number, since it uses less digits than its factorization.

1201679011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221045.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 1201679011 is about 34665.2421165640. The cubic root of 1201679011 is about 1063.1539536075.

The spelling of 1201679011 in words is "one billion, two hundred one million, six hundred seventy-nine thousand, eleven".