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1212102 = 23267339
BaseRepresentation
bin100100111111011000110
32021120200200
410213323012
5302241402
641551330
713205553
oct4477306
92246620
101212102
11758741
124a5546
13335928
14237a2a
1518e21c
hex127ec6

1212102 has 12 divisors (see below), whose sum is σ = 2626260. Its totient is φ = 404028.

The previous prime is 1212061. The next prime is 1212103. The reversal of 1212102 is 2012121.

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 (1212103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33652 + ... + 33687.

It is an arithmetic number, because the mean of its divisors is an integer number (218855).

21212102 is an apocalyptic number.

1212102 is an abundant number, since it is smaller than the sum of its proper divisors (1414158).

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

1212102 is a wasteful number, since it uses less digits than its factorization.

1212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67347 (or 67344 counting only the distinct ones).

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

The square root of 1212102 is about 1100.9550399539. The cubic root of 1212102 is about 106.6218931012.

Adding to 1212102 its reverse (2012121), we get a palindrome (3224223).

The spelling of 1212102 in words is "one million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 9 18 67339 134678 202017 404034 606051 1212102