120838369117 has 4 divisors (see below), whose sum is σ = 124736381056. Its totient is φ = 116940357180.

The previous prime is 120838369087. The next prime is 120838369139. The reversal of 120838369117 is 711963838021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120838369117 - 2¹⁵ = 120838336349 is a prime.

It is a super-2 number, since 2×120838369117² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120838369217) 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 3 ways as a sum of consecutive naturals, for example, 1949005923 + ... + 1949005984.

It is an arithmetic number, because the mean of its divisors is an integer number (31184095264).

Almost surely, 2^120838369117 is an apocalyptic number.

It is an amenable number.

120838369117 is a deficient number, since it is larger than the sum of its proper divisors (3898011939).

120838369117 is an equidigital number, since it uses as much as digits as its factorization.

120838369117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898011938.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 120838369117 in words is "one hundred twenty billion, eight hundred thirty-eight million, three hundred sixty-nine thousand, one hundred seventeen".