120883640 has 16 divisors (see below), whose sum is σ = 271988280. Its totient is φ = 48353440.

The previous prime is 120883597. The next prime is 120883657. The reversal of 120883640 is 46388021.

It is a super-2 number, since 2×120883640² = 29225708839299200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120883597 and 120883606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511006 + ... + 1511085.

Almost surely, 2^120883640 is an apocalyptic number.

120883640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120883640 is an abundant number, since it is smaller than the sum of its proper divisors (151104640).

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

120883640 is a wasteful number, since it uses less digits than its factorization.

120883640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022102 (or 3022098 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 120883640 is about 10994.7096369117. The cubic root of 120883640 is about 494.4501461653.

It can be divided in two parts, 1208 and 83640, that added together give a palindrome (84848).

The spelling of 120883640 in words is "one hundred twenty million, eight hundred eighty-three thousand, six hundred forty".