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1040232121 = 19463711807
BaseRepresentation
bin111110000000001…
…010111010111001
32200111101021012121
4332000022322321
54112244411441
6251115441241
734530553465
oct7600127271
92614337177
101040232121
11494202875
12250456221
13137685586
149c2214a5
15614cbdd1
hex3e00aeb9

1040232121 has 8 divisors (see below), whose sum is σ = 1095310080. Its totient is φ = 985187088.

The previous prime is 1040232079. The next prime is 1040232131. The reversal of 1040232121 is 1212320401.

1040232121 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 not a de Polignac number, because 1040232121 - 29 = 1040231609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040232095 and 1040232104.

It is not an unprimeable number, because it can be changed into a prime (1040232131) 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, 82200 + ... + 94006.

It is an arithmetic number, because the mean of its divisors is an integer number (136913760).

Almost surely, 21040232121 is an apocalyptic number.

It is an amenable number.

1040232121 is a deficient number, since it is larger than the sum of its proper divisors (55077959).

1040232121 is a wasteful number, since it uses less digits than its factorization.

1040232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16463.

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

The square root of 1040232121 is about 32252.6296757334. The cubic root of 1040232121 is about 1013.2347749995.

Adding to 1040232121 its reverse (1212320401), we get a palindrome (2252552522).

The spelling of 1040232121 in words is "one billion, forty million, two hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 19 4637 11807 88103 224333 54749059 1040232121