1210122 has 48 divisors (see below), whose sum is σ = 2845440. Its totient is φ = 370656.

The previous prime is 1210103. The next prime is 1210123. The reversal of 1210122 is 2210121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15279 + ... + 15357.

It is an arithmetic number, because the mean of its divisors is an integer number (59280).

2^1210122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422720).

1210122 is an abundant number, since it is smaller than the sum of its proper divisors (1635318).

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

1210122 is a wasteful number, since it uses less digits than its factorization.

1210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1210122 is about 1100.0554531477. The cubic root of 1210122 is about 106.5638049192.

Adding to 1210122 its reverse (2210121), we get a palindrome (3420243).

Subtracting 1210122 from its reverse (2210121), we obtain a palindrome (999999).

The spelling of 1210122 in words is "one million, two hundred ten thousand, one hundred twenty-two".