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BaseRepresentation
bin100010001101110110010
32002222000000
410101232302
5241334302
640010430
712346545
oct4215662
92088000
101121202
116a6415
12460a16
13303444
1421285c
1517231c
hex111bb2

1121202 has 28 divisors (see below), whose sum is σ = 2524830. Its totient is φ = 373248.

The previous prime is 1121191. The next prime is 1121203. The reversal of 1121202 is 2021211.

Adding to 1121202 its reverse (2021211), we get a palindrome (3142413).

Subtracting 1121202 from its reverse (2021211), we obtain a palindrome (900009).

It can be written as a sum of positive squares in only one way, i.e., 998001 + 123201 = 999^2 + 351^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1121203) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1074 + ... + 1842.

21121202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262415).

1121202 is an abundant number, since it is smaller than the sum of its proper divisors (1403628).

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

1121202 is an frugal number, since it uses more digits than its factorization.

1121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 774 counting only the distinct ones).

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

The square root of 1121202 is about 1058.8682637609. The cubic root of 1121202 is about 103.8870198136.

The spelling of 1121202 in words is "one million, one hundred twenty-one thousand, two hundred two".