70122 has 32 divisors (see below), whose sum is σ = 161280. Its totient is φ = 20160.

The previous prime is 70121. The next prime is 70123. The reversal of 70122 is 22107.

It is an interprime number because it is at equal distance from previous prime (70121) and next prime (70123).

It is a junction number, because it is equal to n+sod(n) for n = 70098 and 70107.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70122.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (5040).

2⁷⁰¹²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80640).

70122 is an abundant number, since it is smaller than the sum of its proper divisors (91158).

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

70122 is a wasteful number, since it uses less digits than its factorization.

70122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 70122 is about 264.8055890649. The cubic root of 70122 is about 41.2367818070.

Adding to 70122 its reverse (22107), we get a palindrome (92229).

The spelling of 70122 in words is "seventy thousand, one hundred twenty-two", and thus it is an iban number.