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122102441207 = 475431478351
BaseRepresentation
bin111000110110111011…
…1110110010011110111
3102200011112021200122022
41301231313312103313
54000031211104312
6132032035023355
711551545424415
oct1615567662367
9380145250568
10122102441207
114786871033a
121b7b7a3ab5b
13b68b94b416
145ca466a2b5
153299851172
hex1c6ddf64f7

122102441207 has 8 divisors (see below), whose sum is σ = 124723587072. Its totient is φ = 119482263000.

The previous prime is 122102441189. The next prime is 122102441221. The reversal of 122102441207 is 702144201221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122102441207 - 28 = 122102440951 is a prime.

It is a super-2 number, since 2×1221024412072 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102441257) 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, 16082 + ... + 494432.

It is an arithmetic number, because the mean of its divisors is an integer number (15590448384).

Almost surely, 2122102441207 is an apocalyptic number.

122102441207 is a deficient number, since it is larger than the sum of its proper divisors (2621145865).

122102441207 is an equidigital number, since it uses as much as digits as its factorization.

122102441207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483829.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 122102441207 its reverse (702144201221), we get a palindrome (824246642428).

The spelling of 122102441207 in words is "one hundred twenty-two billion, one hundred two million, four hundred forty-one thousand, two hundred seven".

Divisors: 1 47 5431 255257 478351 22482497 2597924281 122102441207