120726550 has 96 divisors (see below), whose sum is σ = 269982720. Its totient is φ = 39302400.

The previous prime is 120726533. The next prime is 120726553. The reversal of 120726550 is 55627021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120726553) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 674361 + ... + 674539.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^120726550 is an apocalyptic number.

120726550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120726550 is an abundant number, since it is smaller than the sum of its proper divisors (149256170).

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

120726550 is a wasteful number, since it uses less digits than its factorization.

120726550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 120726550 is about 10987.5634241628. The cubic root of 120726550 is about 494.2358716680.

It can be divided in two parts, 12072 and 6550, that multiplied together give a triangular number (79071600 = T₁₂₅₇₅).

The spelling of 120726550 in words is "one hundred twenty million, seven hundred twenty-six thousand, five hundred fifty".