70120 has 16 divisors (see below), whose sum is σ = 157860. Its totient is φ = 28032.

The previous prime is 70117. The next prime is 70121. The reversal of 70120 is 2107.

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 9604 = 246^2 + 98^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 70097 and 70106.

It is not an unprimeable number, because it can be changed into a prime (70121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837 + ... + 916.

2⁷⁰¹²⁰ is an apocalyptic number.

It is an amenable number.

70120 is an abundant number, since it is smaller than the sum of its proper divisors (87740).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78930).

70120 is a wasteful number, since it uses less digits than its factorization.

70120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 70120 is about 264.8018126826. The cubic root of 70120 is about 41.2363897553.

Adding to 70120 its reverse (2107), we get a palindrome (72227).

It can be divided in two parts, 70 and 120, that added together give a triangular number (190 = T₁₉).

The spelling of 70120 in words is "seventy thousand, one hundred twenty", and thus it is an iban number.