1378101 has 8 divisors (see below), whose sum is σ = 1850400. Its totient is φ = 912272.

The previous prime is 1378099. The next prime is 1378103. The reversal of 1378101 is 1018731.

It is an interprime number because it is at equal distance from previous prime (1378099) and next prime (1378103).

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 1378101 - 2¹ = 1378099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378103) 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, 1095 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (231300).

2^1378101 is an apocalyptic number.

It is an amenable number.

1378101 is a deficient number, since it is larger than the sum of its proper divisors (472299).

1378101 is a wasteful number, since it uses less digits than its factorization.

1378101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1378101 is about 1173.9254661178. The cubic root of 1378101 is about 111.2825364582.

The spelling of 1378101 in words is "one million, three hundred seventy-eight thousand, one hundred one".