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1242124041 = 3877472111
BaseRepresentation
bin100101000001001…
…0100111100001001
310012120021102212010
41022002110330021
510020440432131
6323131010133
742531610614
oct11202247411
93176242763
101242124041
115881681a4
122a7b99949
1316a452a52
14bad7717b
15740abb46
hex4a094f09

1242124041 has 8 divisors (see below), whose sum is σ = 1658057344. Its totient is φ = 827136720.

The previous prime is 1242124021. The next prime is 1242124067. The reversal of 1242124041 is 1404212421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1242124041 - 26 = 1242123977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242123999 and 1242124017.

It is not an unprimeable number, because it can be changed into a prime (1242124021) 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, 233425 + ... + 238686.

It is an arithmetic number, because the mean of its divisors is an integer number (207257168).

Almost surely, 21242124041 is an apocalyptic number.

It is an amenable number.

1242124041 is a deficient number, since it is larger than the sum of its proper divisors (415933303).

1242124041 is an equidigital number, since it uses as much as digits as its factorization.

1242124041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472991.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1242124041 is about 35243.7801746634. The cubic root of 1242124041 is about 1074.9501447223.

Adding to 1242124041 its reverse (1404212421), we get a palindrome (2646336462).

The spelling of 1242124041 in words is "one billion, two hundred forty-two million, one hundred twenty-four thousand, forty-one".

Divisors: 1 3 877 2631 472111 1416333 414041347 1242124041