120040279369 has 2 divisors, whose sum is σ = 120040279370. Its totient is φ = 120040279368.

The previous prime is 120040279339. The next prime is 120040279393. The reversal of 120040279369 is 963972040021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62094160969 + 57946118400 = 249187^2 + 240720^2 .

It is a cyclic number.

It is not a de Polignac number, because 120040279369 - 2¹¹ = 120040277321 is a prime.

It is a super-2 number, since 2×120040279369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120040279319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60020139684 + 60020139685.

It is an arithmetic number, because the mean of its divisors is an integer number (60020139685).

Almost surely, 2^120040279369 is an apocalyptic number.

It is an amenable number.

120040279369 is a deficient number, since it is larger than the sum of its proper divisors (1).

120040279369 is an equidigital number, since it uses as much as digits as its factorization.

120040279369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 120040279369 in words is "one hundred twenty billion, forty million, two hundred seventy-nine thousand, three hundred sixty-nine".