1230651385 has 8 divisors (see below), whose sum is σ = 1477586376. Its totient is φ = 983984640.

The previous prime is 1230651371. The next prime is 1230651397. The reversal of 1230651385 is 5831560321.

It can be written as a sum of positive squares in 4 ways, for example, as 56972304 + 1173679081 = 7548^2 + 34259^2 .

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

It is not a de Polignac number, because 1230651385 - 2⁵ = 1230651353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230651385.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56824 + ... + 75433.

It is an arithmetic number, because the mean of its divisors is an integer number (184698297).

Almost surely, 2^1230651385 is an apocalyptic number.

It is an amenable number.

1230651385 is a deficient number, since it is larger than the sum of its proper divisors (246934991).

1230651385 is a wasteful number, since it uses less digits than its factorization.

1230651385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134123.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1230651385 is about 35080.6411714495. The cubic root of 1230651385 is about 1071.6303747330.

The spelling of 1230651385 in words is "one billion, two hundred thirty million, six hundred fifty-one thousand, three hundred eighty-five".