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1024242121 = 71187123269
BaseRepresentation
bin111101000011001…
…011000111001001
32122101021220001101
4331003023013021
54044201221441
6245345021401
734244625430
oct7503130711
92571256041
101024242121
114861812a1
12247024861
13134277436
149a05c117
155edbe231
hex3d0cb1c9

1024242121 has 8 divisors (see below), whose sum is σ = 1171558080. Its totient is φ = 877175088.

The previous prime is 1024242091. The next prime is 1024242143. The reversal of 1024242121 is 1212424201.

1024242121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1024242121 - 211 = 1024240073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1024242181) 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, 53326 + ... + 69943.

It is an arithmetic number, because the mean of its divisors is an integer number (146444760).

Almost surely, 21024242121 is an apocalyptic number.

It is an amenable number.

1024242121 is a deficient number, since it is larger than the sum of its proper divisors (147315959).

1024242121 is a wasteful number, since it uses less digits than its factorization.

1024242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124463.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1024242121 is about 32003.7829170240. The cubic root of 1024242121 is about 1008.0162746307.

Adding to 1024242121 its reverse (1212424201), we get a palindrome (2236666322).

The spelling of 1024242121 in words is "one billion, twenty-four million, two hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 7 1187 8309 123269 862883 146320303 1024242121