1670120 has 32 divisors (see below), whose sum is σ = 3849120. Its totient is φ = 651840.

The previous prime is 1670093. The next prime is 1670129. The reversal of 1670120 is 210761.

1670120 = T₃₆₁ + T₃₆₂ + ... + T₃₈₄.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1670129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235 + ... + 2205.

It is an arithmetic number, because the mean of its divisors is an integer number (120285).

2^1670120 is an apocalyptic number.

1670120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1670120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924560).

1670120 is an abundant number, since it is smaller than the sum of its proper divisors (2179000).

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

1670120 is a wasteful number, since it uses less digits than its factorization.

1670120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1670120 is about 1292.3312268919. The cubic root of 1670120 is about 118.6449412457.

Adding to 1670120 its reverse (210761), we get a palindrome (1880881).

The spelling of 1670120 in words is "one million, six hundred seventy thousand, one hundred twenty".