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122300137 = 791548103
BaseRepresentation
bin1110100101000…
…10011011101001
322112010111020201
413102202123221
5222302101022
620045152201
73013351111
oct722423351
9275114221
10122300137
11630429a3
1234b5b661
131c450b5b
1412358041
15ab0c127
hex74a26e9

122300137 has 4 divisors (see below), whose sum is σ = 123848320. Its totient is φ = 120751956.

The previous prime is 122300119. The next prime is 122300141. The reversal of 122300137 is 731003221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122300137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122300107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773973 + ... + 774130.

It is an arithmetic number, because the mean of its divisors is an integer number (30962080).

Almost surely, 2122300137 is an apocalyptic number.

It is an amenable number.

122300137 is a deficient number, since it is larger than the sum of its proper divisors (1548183).

122300137 is an equidigital number, since it uses as much as digits as its factorization.

122300137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548182.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 122300137 is about 11058.9392348453. The cubic root of 122300137 is about 496.3739497541.

Adding to 122300137 its reverse (731003221), we get a palindrome (853303358).

The spelling of 122300137 in words is "one hundred twenty-two million, three hundred thousand, one hundred thirty-seven".

Divisors: 1 79 1548103 122300137