120078369 has 10 divisors (see below), whose sum is σ = 179376450. Its totient is φ = 80052192.

The previous prime is 120078359. The next prime is 120078379. The reversal of 120078369 is 963870021.

It is an interprime number because it is at equal distance from previous prime (120078359) and next prime (120078379).

It can be written as a sum of positive squares in only one way, i.e., 118004769 + 2073600 = 10863^2 + 1440^2 .

It is not a de Polignac number, because 120078369 - 2⁸ = 120078113 is a prime.

It is a super-2 number, since 2×120078369² = 28837629403400322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120078319) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 741144 + ... + 741305.

It is an arithmetic number, because the mean of its divisors is an integer number (17937645).

Almost surely, 2^120078369 is an apocalyptic number.

It is an amenable number.

120078369 is a deficient number, since it is larger than the sum of its proper divisors (59298081).

120078369 is an equidigital number, since it uses as much as digits as its factorization.

120078369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482461 (or 1482452 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 120078369 is about 10958.0276053677. The cubic root of 120078369 is about 493.3497662633.

The spelling of 120078369 in words is "one hundred twenty million, seventy-eight thousand, three hundred sixty-nine".