70170120 has 48 divisors (see below), whose sum is σ = 228054060. Its totient is φ = 18711936.

The previous prime is 70170103. The next prime is 70170127. The reversal of 70170120 is 2107107.

It can be written as a sum of positive squares in 2 ways, for example, as 68856804 + 1313316 = 8298^2 + 1146^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70170093 and 70170102.

It is not an unprimeable number, because it can be changed into a prime (70170127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97099 + ... + 97818.

Almost surely, 2^70170120 is an apocalyptic number.

It is an amenable number.

70170120 is an abundant number, since it is smaller than the sum of its proper divisors (157883940).

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

70170120 is a wasteful number, since it uses less digits than its factorization.

70170120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194934 (or 194927 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 70170120 is about 8376.7607104417. The cubic root of 70170120 is about 412.4621232439.

Adding to 70170120 its reverse (2107107), we get a palindrome (72277227).

The spelling of 70170120 in words is "seventy million, one hundred seventy thousand, one hundred twenty".