120637053509 has 16 divisors (see below), whose sum is σ = 144396226560. Its totient is φ = 98542390320.

The previous prime is 120637053497. The next prime is 120637053529. The reversal of 120637053509 is 905350736021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120637053509 - 2³⁶ = 51917576773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120637053529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338839 + ... + 1426100.

It is an arithmetic number, because the mean of its divisors is an integer number (9024764160).

Almost surely, 2^120637053509 is an apocalyptic number.

It is an amenable number.

120637053509 is a deficient number, since it is larger than the sum of its proper divisors (23759173051).

120637053509 is a wasteful number, since it uses less digits than its factorization.

120637053509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765240.

The product of its (nonzero) digits is 170100, while the sum is 41.

The spelling of 120637053509 in words is "one hundred twenty billion, six hundred thirty-seven million, fifty-three thousand, five hundred nine".