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122134513 = 3118772099
BaseRepresentation
bin1110100011110…
…01111111110001
322111211002001111
413101321333301
5222231301023
620041433321
73012061204
oct721717761
9274732044
10122134513
1162a3a516
1234a9b841
131c3c3657
141231393b
15aac800d
hex7479ff1

122134513 has 8 divisors (see below), whose sum is σ = 126201600. Its totient is φ = 118075440.

The previous prime is 122134499. The next prime is 122134549. The reversal of 122134513 is 315431221.

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 a de Polignac number, because none of the positive numbers 2k-122134513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122134013) 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, 57138 + ... + 59236.

It is an arithmetic number, because the mean of its divisors is an integer number (15775200).

Almost surely, 2122134513 is an apocalyptic number.

It is an amenable number.

122134513 is a deficient number, since it is larger than the sum of its proper divisors (4067087).

122134513 is a wasteful number, since it uses less digits than its factorization.

122134513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007.

The product of its digits is 720, while the sum is 22.

The square root of 122134513 is about 11051.4484571028. The cubic root of 122134513 is about 496.1497783552.

Adding to 122134513 its reverse (315431221), we get a palindrome (437565734).

The spelling of 122134513 in words is "one hundred twenty-two million, one hundred thirty-four thousand, five hundred thirteen".

Divisors: 1 31 1877 2099 58187 65069 3939823 122134513