210122070 has 16 divisors (see below), whose sum is σ = 504293040. Its totient is φ = 56032544.

The previous prime is 210122063. The next prime is 210122071. The reversal of 210122070 is 70221012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122071) 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, 3502005 + ... + 3502064.

It is an arithmetic number, because the mean of its divisors is an integer number (31518315).

Almost surely, 2^210122070 is an apocalyptic number.

210122070 is an abundant number, since it is smaller than the sum of its proper divisors (294170970).

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

210122070 is a wasteful number, since it uses less digits than its factorization.

210122070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004079.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 210122070 is about 14495.5879494417. The cubic root of 210122070 is about 594.5073435318.

Adding to 210122070 its reverse (70221012), we get a palindrome (280343082).

The spelling of 210122070 in words is "two hundred ten million, one hundred twenty-two thousand, seventy".