120929280 has 88 divisors (see below), whose sum is σ = 386833872. Its totient is φ = 32243712.

The previous prime is 120929231. The next prime is 120929293. The reversal of 120929280 is 82929021.

It is a happy number.

It is a super-2 number, since 2×120929280² = 29247781522636800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11424 + ... + 19296.

Almost surely, 2^120929280 is an apocalyptic number.

120929280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120929280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193416936).

120929280 is an abundant number, since it is smaller than the sum of its proper divisors (265904592).

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

120929280 is an equidigital number, since it uses as much as digits as its factorization.

120929280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7901 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 120929280 is about 10996.7849847126. The cubic root of 120929280 is about 494.5123654070.

It can be divided in two parts, 120 and 929280, that multiplied together give a square (111513600 = 10560²).

The spelling of 120929280 in words is "one hundred twenty million, nine hundred twenty-nine thousand, two hundred eighty".