120061619 has 4 divisors (see below), whose sum is σ = 120222240. Its totient is φ = 119901000.

The previous prime is 120061561. The next prime is 120061649. The reversal of 120061619 is 916160021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120061619 - 2²⁰ = 119013043 is a prime.

It is a super-2 number, since 2×120061619² = 28829584713802322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120061649) by changing a digit.

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, 79184 + ... + 80685.

It is an arithmetic number, because the mean of its divisors is an integer number (30055560).

Almost surely, 2^120061619 is an apocalyptic number.

120061619 is a deficient number, since it is larger than the sum of its proper divisors (160621).

120061619 is an equidigital number, since it uses as much as digits as its factorization.

120061619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160620.

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

The square root of 120061619 is about 10957.2632988352. The cubic root of 120061619 is about 493.3268257095.

The spelling of 120061619 in words is "one hundred twenty million, sixty-one thousand, six hundred nineteen".