1670101 has 4 divisors (see below), whose sum is σ = 1672704. Its totient is φ = 1667500.

The previous prime is 1670093. The next prime is 1670129. The reversal of 1670101 is 1010761.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1010761 = 677 ⋅1493.

It is a cyclic number.

It is not a de Polignac number, because 1670101 - 2³ = 1670093 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426 + ... + 1876.

It is an arithmetic number, because the mean of its divisors is an integer number (418176).

2^1670101 is an apocalyptic number.

It is an amenable number.

1670101 is a deficient number, since it is larger than the sum of its proper divisors (2603).

1670101 is a wasteful number, since it uses less digits than its factorization.

1670101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1670101 is about 1292.3238758144. The cubic root of 1670101 is about 118.6444913255.

Adding to 1670101 its reverse (1010761), we get a palindrome (2680862).

It can be divided in two parts, 1670 and 101, that added together give a palindrome (1771).

The spelling of 1670101 in words is "one million, six hundred seventy thousand, one hundred one".