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122103102007 = 1957301112153
BaseRepresentation
bin111000110110111101…
…0010111101000110111
3102200011120112021002101
41301231322113220313
54000031343231012
6132032101122531
711551554146065
oct1615572275067
9380146467071
10122103102007
1147869021857
121b7b80b9447
13b68bb20123
145ca479d035
153299931d57
hex1c6de97a37

122103102007 has 8 divisors (see below), whose sum is σ = 128532970160. Its totient is φ = 115673572800.

The previous prime is 122103102001. The next prime is 122103102049. The reversal of 122103102007 is 700201301221.

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 122103102007 - 219 = 122102577719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122103102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032643 + ... + 1144795.

It is an arithmetic number, because the mean of its divisors is an integer number (16066621270).

Almost surely, 2122103102007 is an apocalyptic number.

122103102007 is a deficient number, since it is larger than the sum of its proper divisors (6429868153).

122103102007 is a wasteful number, since it uses less digits than its factorization.

122103102007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169473.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 122103102007 its reverse (700201301221), we get a palindrome (822304403228).

The spelling of 122103102007 in words is "one hundred twenty-two billion, one hundred three million, one hundred two thousand, seven".

Divisors: 1 19 57301 112153 1088719 2130907 6426479053 122103102007