120507438 has 8 divisors (see below), whose sum is σ = 241014888. Its totient is φ = 40169144.

The previous prime is 120507437. The next prime is 120507449. The reversal of 120507438 is 834705021.

It is a sphenic number, since it is the product of 3 distinct primes.

120507438 is an admirable number.

It is a super-2 number, since 2×120507438² = 29044085226647688, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120507437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10042281 + ... + 10042292.

It is an arithmetic number, because the mean of its divisors is an integer number (30126861).

Almost surely, 2^120507438 is an apocalyptic number.

120507438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120507438 is a wasteful number, since it uses less digits than its factorization.

120507438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20084578.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 120507438 is about 10977.5879864386. The cubic root of 120507438 is about 493.9366870183.

The spelling of 120507438 in words is "one hundred twenty million, five hundred seven thousand, four hundred thirty-eight".