Search a number
-
+
122145103 = 3710873037
BaseRepresentation
bin1110100011111…
…00100101001111
322111211121120201
413101330211033
5222232120403
620041554331
73012134113
oct721744517
9274747521
10122145103
1162a47473
1234aa59a7
131c3c8412
1412317743
15aacb21d
hex747c94f

122145103 has 8 divisors (see below), whose sum is σ = 125603072. Its totient is φ = 118695456.

The previous prime is 122145097. The next prime is 122145137. The reversal of 122145103 is 301541221.

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 122145103 - 29 = 122144591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145143) 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, 38701 + ... + 41737.

It is an arithmetic number, because the mean of its divisors is an integer number (15700384).

Almost surely, 2122145103 is an apocalyptic number.

122145103 is a deficient number, since it is larger than the sum of its proper divisors (3457969).

122145103 is a wasteful number, since it uses less digits than its factorization.

122145103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122145103 is about 11051.9275694333. The cubic root of 122145103 is about 496.1641179391.

Adding to 122145103 its reverse (301541221), we get a palindrome (423686324).

The spelling of 122145103 in words is "one hundred twenty-two million, one hundred forty-five thousand, one hundred three".

Divisors: 1 37 1087 3037 40219 112369 3301219 122145103