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BaseRepresentation
bin100100101001111100010
32021000122000
410211033202
5301413442
641424430
713131546
oct4451742
92230560
101201122
1175046a
1249b116
13330930
14233a26
hex1253e2

1201122 has 64 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 350784.

The previous prime is 1201117. The next prime is 1201141. The reversal of 1201122 is 2211021.

Adding to 1201122 its reverse (2211021), we get a palindrome (3412143).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20329 + ... + 20387.

It is an arithmetic number, because the mean of its divisors is an integer number (47250).

21201122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512000).

1201122 is an abundant number, since it is smaller than the sum of its proper divisors (1822878).

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

1201122 is a wasteful number, since it uses less digits than its factorization.

1201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 106 counting only the distinct ones).

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

The square root of 1201122 is about 1095.9571159493. The cubic root of 1201122 is about 106.2989661268.

The spelling of 1201122 in words is "one million, two hundred one thousand, one hundred twenty-two".