1201601078 has 8 divisors (see below), whose sum is σ = 1897264920. Its totient is φ = 569179440.

The previous prime is 1201601047. The next prime is 1201601081. The reversal of 1201601078 is 8701061021.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15810503 + ... + 15810578.

It is an arithmetic number, because the mean of its divisors is an integer number (237158115).

Almost surely, 2^1201601078 is an apocalyptic number.

1201601078 is a deficient number, since it is larger than the sum of its proper divisors (695663842).

1201601078 is a wasteful number, since it uses less digits than its factorization.

1201601078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31621102.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1201601078 is about 34664.1180184928. The cubic root of 1201601078 is about 1063.1309700521.

Adding to 1201601078 its reverse (8701061021), we get a palindrome (9902662099).

The spelling of 1201601078 in words is "one billion, two hundred one million, six hundred one thousand, seventy-eight".