1301379438 has 16 divisors (see below), whose sum is σ = 2621485440. Its totient is φ = 430672056.

The previous prime is 1301379421. The next prime is 1301379463. The reversal of 1301379438 is 8349731031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1301379396 and 1301379405.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 779370 + ... + 781037.

It is an arithmetic number, because the mean of its divisors is an integer number (163842840).

Almost surely, 2^1301379438 is an apocalyptic number.

1301379438 is an abundant number, since it is smaller than the sum of its proper divisors (1320106002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301379438 is a wasteful number, since it uses less digits than its factorization.

1301379438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560551.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1301379438 is about 36074.6370459912. The cubic root of 1301379438 is about 1091.7787745042.

The spelling of 1301379438 in words is "one billion, three hundred one million, three hundred seventy-nine thousand, four hundred thirty-eight".