120036640249 has 2 divisors, whose sum is σ = 120036640250. Its totient is φ = 120036640248.

The previous prime is 120036640247. The next prime is 120036640279. The reversal of 120036640249 is 942046630021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101786521600 + 18250118649 = 319040^2 + 135093^2 .

It is a cyclic number.

It is not a de Polignac number, because 120036640249 - 2¹ = 120036640247 is a prime.

Together with 120036640247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120036640247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60018320124 + 60018320125.

It is an arithmetic number, because the mean of its divisors is an integer number (60018320125).

Almost surely, 2^120036640249 is an apocalyptic number.

It is an amenable number.

120036640249 is a deficient number, since it is larger than the sum of its proper divisors (1).

120036640249 is an equidigital number, since it uses as much as digits as its factorization.

120036640249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 120036640249 in words is "one hundred twenty billion, thirty-six million, six hundred forty thousand, two hundred forty-nine".