120398437 has 8 divisors (see below), whose sum is σ = 128796696. Its totient is φ = 112146432.

The previous prime is 120398419. The next prime is 120398441. The reversal of 120398437 is 734893021.

It can be written as a sum of positive squares in 4 ways, for example, as 47141956 + 73256481 = 6866^2 + 8559^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120398437 - 2⁷ = 120398309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120398396 and 120398405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120398417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34858 + ... + 38155.

It is an arithmetic number, because the mean of its divisors is an integer number (16099587).

Almost surely, 2^120398437 is an apocalyptic number.

120398437 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

120398437 is a deficient number, since it is larger than the sum of its proper divisors (8398259).

120398437 is an equidigital number, since it uses as much as digits as its factorization.

120398437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73127.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 120398437 is about 10972.6221569869. The cubic root of 120398437 is about 493.7877174199.

It can be divided in two parts, 1203984 and 37, that added together give a palindrome (1204021).

The spelling of 120398437 in words is "one hundred twenty million, three hundred ninety-eight thousand, four hundred thirty-seven".