120701661 has 8 divisors (see below), whose sum is σ = 169405920. Its totient is φ = 76232592.

The previous prime is 120701657. The next prime is 120701719. The reversal of 120701661 is 166107021.

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

It is not a de Polignac number, because 120701661 - 2² = 120701657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120701641) 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, 1058730 + ... + 1058843.

It is an arithmetic number, because the mean of its divisors is an integer number (21175740).

Almost surely, 2^120701661 is an apocalyptic number.

It is an amenable number.

120701661 is a deficient number, since it is larger than the sum of its proper divisors (48704259).

120701661 is a wasteful number, since it uses less digits than its factorization.

120701661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117595.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 120701661 is about 10986.4307670872. The cubic root of 120701661 is about 494.2019054250.

Adding to 120701661 its reverse (166107021), we get a palindrome (286808682).

It can be divided in two parts, 12070 and 1661, that added together give a palindrome (13731).

The spelling of 120701661 in words is "one hundred twenty million, seven hundred one thousand, six hundred sixty-one".