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122134345 = 524426869
BaseRepresentation
bin1110100011110…
…01111101001001
322111211001211021
413101321331021
5222231244340
620041432441
73012060544
oct721717511
9274731737
10122134345
1162a3a383
1234a9b721
131c3c3558
141231385b
15aac7e4a
hex7479f49

122134345 has 4 divisors (see below), whose sum is σ = 146561220. Its totient is φ = 97707472.

The previous prime is 122134291. The next prime is 122134357. The reversal of 122134345 is 543431221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543431221 = 552798323.

It can be written as a sum of positive squares in 2 ways, for example, as 93006736 + 29127609 = 9644^2 + 5397^2 .

It is a cyclic number.

It is not a de Polignac number, because 122134345 - 29 = 122133833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12213430 + ... + 12213439.

It is an arithmetic number, because the mean of its divisors is an integer number (36640305).

Almost surely, 2122134345 is an apocalyptic number.

It is an amenable number.

122134345 is a deficient number, since it is larger than the sum of its proper divisors (24426875).

122134345 is an equidigital number, since it uses as much as digits as its factorization.

122134345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24426874.

The product of its digits is 2880, while the sum is 25.

The square root of 122134345 is about 11051.4408562866. The cubic root of 122134345 is about 496.1495508651.

Adding to 122134345 its reverse (543431221), we get a palindrome (665565566).

The spelling of 122134345 in words is "one hundred twenty-two million, one hundred thirty-four thousand, three hundred forty-five".

Divisors: 1 5 24426869 122134345