1378601 has 8 divisors (see below), whose sum is σ = 1626624. Its totient is φ = 1143360.

The previous prime is 1378591. The next prime is 1378603. The reversal of 1378601 is 1068731.

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

It is a cyclic number.

It is not a de Polignac number, because 1378601 - 2¹⁰ = 1377577 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2960 + ... + 3393.

It is an arithmetic number, because the mean of its divisors is an integer number (203328).

2^1378601 is an apocalyptic number.

It is an amenable number.

1378601 is a deficient number, since it is larger than the sum of its proper divisors (248023).

1378601 is an equidigital number, since it uses as much as digits as its factorization.

1378601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1378601 is about 1174.1384075142. The cubic root of 1378601 is about 111.2959932707.

The spelling of 1378601 in words is "one million, three hundred seventy-eight thousand, six hundred one".