70000120 has 32 divisors (see below), whose sum is σ = 161345520. Its totient is φ = 27316480.

The previous prime is 70000111. The next prime is 70000141. The reversal of 70000120 is 2100007.

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

It is a junction number, because it is equal to n+sod(n) for n = 70000097 and 70000106.

It is a congruent number.

It is an unprimeable number.

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, 19702 + ... + 22981.

Almost surely, 2^70000120 is an apocalyptic number.

It is an amenable number.

70000120 is an abundant number, since it is smaller than the sum of its proper divisors (91345400).

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

70000120 is a wasteful number, since it uses less digits than its factorization.

70000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42735 (or 42731 counting only the distinct ones).

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

The square root of 70000120 is about 8366.6074367093. The cubic root of 70000120 is about 412.1287654827.

Adding to 70000120 its reverse (2100007), we get a palindrome (72100127).

The spelling of 70000120 in words is "seventy million, one hundred twenty", and thus it is an aban number.