120101986 has 8 divisors (see below), whose sum is σ = 181258704. Its totient is φ = 59682420.

The previous prime is 120101959. The next prime is 120101987. The reversal of 120101986 is 689101021.

It is a happy number.

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

It is a super-2 number, since 2×120101986² = 28848974082288392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120101987) 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, 183880 + ... + 184531.

It is an arithmetic number, because the mean of its divisors is an integer number (22657338).

Almost surely, 2^120101986 is an apocalyptic number.

120101986 is a deficient number, since it is larger than the sum of its proper divisors (61156718).

120101986 is a wasteful number, since it uses less digits than its factorization.

120101986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368576.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 120101986 is about 10959.1051642002. The cubic root of 120101986 is about 493.3821081351.

The spelling of 120101986 in words is "one hundred twenty million, one hundred one thousand, nine hundred eighty-six".