120000378137 has 8 divisors (see below), whose sum is σ = 121090362696. Its totient is φ = 118910885632.

The previous prime is 120000378133. The next prime is 120000378149. The reversal of 120000378137 is 731873000021.

It can be written as a sum of positive squares in 4 ways, for example, as 12750023056 + 107250355081 = 112916^2 + 327491^2 .

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 120000378137 - 2² = 120000378133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120000378133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376103 + ... + 617619.

It is an arithmetic number, because the mean of its divisors is an integer number (15136295337).

Almost surely, 2^120000378137 is an apocalyptic number.

It is an amenable number.

120000378137 is a deficient number, since it is larger than the sum of its proper divisors (1089984559).

120000378137 is a wasteful number, since it uses less digits than its factorization.

120000378137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246027.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 120000378137 its reverse (731873000021), we get a palindrome (851873378158).

The spelling of 120000378137 in words is "one hundred twenty billion, three hundred seventy-eight thousand, one hundred thirty-seven".