Search a number
-
+
121202102 = 2719455647
BaseRepresentation
bin1110011100101…
…10010110110110
322110001201000202
413032112112312
5222011431402
620005440502
73001125620
oct716262666
9273051022
10121202102
1162462a2a
1234710132
131c158128
141214dc10
15a991b02
hex73965b6

121202102 has 16 divisors (see below), whose sum is σ = 218711040. Its totient is φ = 49209768.

The previous prime is 121202101. The next prime is 121202131. The reversal of 121202102 is 201202121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227558 + ... + 228089.

It is an arithmetic number, because the mean of its divisors is an integer number (13669440).

Almost surely, 2121202102 is an apocalyptic number.

121202102 is a deficient number, since it is larger than the sum of its proper divisors (97508938).

121202102 is a wasteful number, since it uses less digits than its factorization.

121202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455675.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 121202102 is about 11009.1826217935. The cubic root of 121202102 is about 494.8839669531.

Adding to 121202102 its reverse (201202121), we get a palindrome (322404223).

The spelling of 121202102 in words is "one hundred twenty-one million, two hundred two thousand, one hundred two".

Divisors: 1 2 7 14 19 38 133 266 455647 911294 3189529 6379058 8657293 17314586 60601051 121202102