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121223041 = 235270567
BaseRepresentation
bin1110011100110…
…11011110000001
322110002202202021
413032123132001
5222013114131
620010121441
73001243642
oct716333601
9273082667
10121223041
1162477735
1234720281
131c164814
14121576c9
15a997e11
hex739b781

121223041 has 4 divisors (see below), whose sum is σ = 126493632. Its totient is φ = 115952452.

The previous prime is 121223029. The next prime is 121223071. The reversal of 121223041 is 140322121.

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 not a de Polignac number, because 121223041 - 211 = 121220993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121223071) 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, 2635261 + ... + 2635306.

It is an arithmetic number, because the mean of its divisors is an integer number (31623408).

Almost surely, 2121223041 is an apocalyptic number.

It is an amenable number.

121223041 is a deficient number, since it is larger than the sum of its proper divisors (5270591).

121223041 is an equidigital number, since it uses as much as digits as its factorization.

121223041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270590.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121223041 is about 11010.1335595895. The cubic root of 121223041 is about 494.9124642000.

Adding to 121223041 its reverse (140322121), we get a palindrome (261545162).

The spelling of 121223041 in words is "one hundred twenty-one million, two hundred twenty-three thousand, forty-one".

Divisors: 1 23 5270567 121223041