1301214388 has 12 divisors (see below), whose sum is σ = 2277694692. Its totient is φ = 650444480.

The previous prime is 1301214377. The next prime is 1301214389. The reversal of 1301214388 is 8834121031.

It can be written as a sum of positive squares in 2 ways, for example, as 860718244 + 440496144 = 29338^2 + 20988^2 .

It is a super-3 number, since 3×1301214388³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301214389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21703 + ... + 55438.

It is an arithmetic number, because the mean of its divisors is an integer number (189807891).

Almost surely, 2^1301214388 is an apocalyptic number.

It is an amenable number.

1301214388 is a deficient number, since it is larger than the sum of its proper divisors (976480304).

1301214388 is a wasteful number, since it uses less digits than its factorization.

1301214388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81362 (or 81360 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1301214388 is about 36072.3493551501. The cubic root of 1301214388 is about 1091.7326168912.

The spelling of 1301214388 in words is "one billion, three hundred one million, two hundred fourteen thousand, three hundred eighty-eight".