120286949 has 4 divisors (see below), whose sum is σ = 120803436. Its totient is φ = 119770464.

The previous prime is 120286931. The next prime is 120286961. The reversal of 120286949 is 949682021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949682021 = 20143 ⋅47147.

It can be written as a sum of positive squares in 2 ways, for example, as 83137924 + 37149025 = 9118^2 + 6095^2 .

It is a cyclic number.

It is not a de Polignac number, because 120286949 - 2²⁴ = 103509733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120286979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257894 + ... + 258359.

It is an arithmetic number, because the mean of its divisors is an integer number (30200859).

Almost surely, 2^120286949 is an apocalyptic number.

It is an amenable number.

120286949 is a deficient number, since it is larger than the sum of its proper divisors (516487).

120286949 is an equidigital number, since it uses as much as digits as its factorization.

120286949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516486.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 120286949 is about 10967.5406997193. The cubic root of 120286949 is about 493.6352558444.

The spelling of 120286949 in words is "one hundred twenty million, two hundred eighty-six thousand, nine hundred forty-nine".