120684949 has 16 divisors (see below), whose sum is σ = 150736896. Its totient is φ = 93870000.

The previous prime is 120684947. The next prime is 120684959. The reversal of 120684949 is 949486021.

It is not a de Polignac number, because 120684949 - 2¹ = 120684947 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 (120684947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56784 + ... + 58870.

It is an arithmetic number, because the mean of its divisors is an integer number (9421056).

Almost surely, 2^120684949 is an apocalyptic number.

It is an amenable number.

120684949 is a deficient number, since it is larger than the sum of its proper divisors (30051947).

120684949 is a wasteful number, since it uses less digits than its factorization.

120684949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 120684949 is about 10985.6701661756. The cubic root of 120684949 is about 494.1790957873.

The spelling of 120684949 in words is "one hundred twenty million, six hundred eighty-four thousand, nine hundred forty-nine".