1013378401 has 4 divisors (see below), whose sum is σ = 1158146752. Its totient is φ = 868610052.

The previous prime is 1013378389. The next prime is 1013378411. The reversal of 1013378401 is 1048733101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013378401 - 2⁵ = 1013378369 is a prime.

It is a super-2 number, since 2×1013378401² = 2053871567226633602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013378401.

It is not an unprimeable number, because it can be changed into a prime (1013378411) 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, 72384165 + ... + 72384178.

It is an arithmetic number, because the mean of its divisors is an integer number (289536688).

Almost surely, 2^1013378401 is an apocalyptic number.

It is an amenable number.

1013378401 is a deficient number, since it is larger than the sum of its proper divisors (144768351).

1013378401 is an equidigital number, since it uses as much as digits as its factorization.

1013378401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144768350.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1013378401 is about 31833.6049011104. The cubic root of 1013378401 is about 1004.4397266565.

The spelling of 1013378401 in words is "one billion, thirteen million, three hundred seventy-eight thousand, four hundred one".