120820902 has 16 divisors (see below), whose sum is σ = 249974640. Its totient is φ = 38884832.

The previous prime is 120820901. The next prime is 120820933. The reversal of 120820902 is 209028021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120820901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347013 + ... + 347360.

It is an arithmetic number, because the mean of its divisors is an integer number (15623415).

Almost surely, 2^120820902 is an apocalyptic number.

120820902 is an abundant number, since it is smaller than the sum of its proper divisors (129153738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120820902 is a wasteful number, since it uses less digits than its factorization.

120820902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694407.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 120820902 is about 10991.8561671812. The cubic root of 120820902 is about 494.3645923182.

Adding to 120820902 its reverse (209028021), we get a palindrome (329848923).

The spelling of 120820902 in words is "one hundred twenty million, eight hundred twenty thousand, nine hundred two".