120961601 has 4 divisors (see below), whose sum is σ = 121885104. Its totient is φ = 120038100.

The previous prime is 120961559. The next prime is 120961609. The reversal of 120961601 is 106169021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120961601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120961609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461555 + ... + 461816.

It is an arithmetic number, because the mean of its divisors is an integer number (30471276).

Almost surely, 2^120961601 is an apocalyptic number.

It is an amenable number.

120961601 is a deficient number, since it is larger than the sum of its proper divisors (923503).

120961601 is an equidigital number, since it uses as much as digits as its factorization.

120961601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923502.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 120961601 is about 10998.2544524120. The cubic root of 120961601 is about 494.5564179045.

The spelling of 120961601 in words is "one hundred twenty million, nine hundred sixty-one thousand, six hundred one".