120949 has 4 divisors (see below), whose sum is σ = 122560. Its totient is φ = 119340.

The previous prime is 120947. The next prime is 120977. The reversal of 120949 is 949021.

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 not a de Polignac number, because 120949 - 2¹ = 120947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120941) 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, 687 + ... + 844.

It is an arithmetic number, because the mean of its divisors is an integer number (30640).

2¹²⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

120949 is a deficient number, since it is larger than the sum of its proper divisors (1611).

120949 is an equidigital number, since it uses as much as digits as its factorization.

120949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 120949 is about 347.7772275466. Note that the first 3 decimals coincide. The cubic root of 120949 is about 49.4539244075.

The spelling of 120949 in words is "one hundred twenty thousand, nine hundred forty-nine".