120878365 has 8 divisors (see below), whose sum is σ = 145117368. Its totient is φ = 96660480.

The previous prime is 120878333. The next prime is 120878377. The reversal of 120878365 is 563878021.

It can be written as a sum of positive squares in 4 ways, for example, as 4108729 + 116769636 = 2027^2 + 10806^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120878365 - 2⁵ = 120878333 is a prime.

It is a super-2 number, since 2×120878365² = 29223158250146450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13209 + ... + 20401.

It is an arithmetic number, because the mean of its divisors is an integer number (18139671).

Almost surely, 2^120878365 is an apocalyptic number.

It is an amenable number.

120878365 is a deficient number, since it is larger than the sum of its proper divisors (24239003).

120878365 is an equidigital number, since it uses as much as digits as its factorization.

120878365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 120878365 is about 10994.4697461951. The cubic root of 120878365 is about 494.4429539529.

The spelling of 120878365 in words is "one hundred twenty million, eight hundred seventy-eight thousand, three hundred sixty-five".