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122133441 = 340711147
BaseRepresentation
bin1110100011110…
…01101111000001
322111211000120210
413101321233001
5222231232231
620041424333
73012055113
oct721715701
9274730523
10122133441
1162a39731
1234a9b0a9
131c3c3011
14123133b3
15aac7a46
hex7479bc1

122133441 has 4 divisors (see below), whose sum is σ = 162844592. Its totient is φ = 81422292.

The previous prime is 122133437. The next prime is 122133449. The reversal of 122133441 is 144331221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144331221 = 348110407.

It is not a de Polignac number, because 122133441 - 22 = 122133437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122133449) 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, 20355571 + ... + 20355576.

It is an arithmetic number, because the mean of its divisors is an integer number (40711148).

Almost surely, 2122133441 is an apocalyptic number.

It is an amenable number.

122133441 is a deficient number, since it is larger than the sum of its proper divisors (40711151).

122133441 is an equidigital number, since it uses as much as digits as its factorization.

122133441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40711150.

The product of its digits is 576, while the sum is 21.

The square root of 122133441 is about 11051.3999565666. The cubic root of 122133441 is about 496.1483267477.

Adding to 122133441 its reverse (144331221), we get a palindrome (266464662).

The spelling of 122133441 in words is "one hundred twenty-two million, one hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 3 40711147 122133441