120287438 has 16 divisors (see below), whose sum is σ = 181906560. Its totient is φ = 59654400.

The previous prime is 120287437. The next prime is 120287459. The reversal of 120287438 is 834782021.

It is a junction number, because it is equal to n+sod(n) for n = 120287398 and 120287407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120287437) 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, 230618 + ... + 231138.

It is an arithmetic number, because the mean of its divisors is an integer number (11369160).

Almost surely, 2^120287438 is an apocalyptic number.

120287438 is a deficient number, since it is larger than the sum of its proper divisors (61619122).

120287438 is a wasteful number, since it uses less digits than its factorization.

120287438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 120287438 is about 10967.5629927528. The cubic root of 120287438 is about 493.6359247652.

The spelling of 120287438 in words is "one hundred twenty million, two hundred eighty-seven thousand, four hundred thirty-eight".