120131278 has 8 divisors (see below), whose sum is σ = 180773568. Its totient is φ = 59873424.

The previous prime is 120131273. The next prime is 120131279. The reversal of 120131278 is 872131021.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95326 + ... + 96577.

It is an arithmetic number, because the mean of its divisors is an integer number (22596696).

Almost surely, 2^120131278 is an apocalyptic number.

120131278 is a deficient number, since it is larger than the sum of its proper divisors (60642290).

120131278 is a wasteful number, since it uses less digits than its factorization.

120131278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192218.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 120131278 is about 10960.4415057059. The cubic root of 120131278 is about 493.4222156427.

Adding to 120131278 its reverse (872131021), we get a palindrome (992262299).

It can be divided in two parts, 120131 and 278, that added together give a square (120409 = 347²).

The spelling of 120131278 in words is "one hundred twenty million, one hundred thirty-one thousand, two hundred seventy-eight".