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1242059 = 71313649
BaseRepresentation
bin100101111001111001011
32100002210012
410233033023
5304221214
642342135
713362110
oct4571713
92302705
101242059
117791a5
124ba94b
13346460
14244907
1519803e
hex12f3cb

1242059 has 8 divisors (see below), whose sum is σ = 1528800. Its totient is φ = 982656.

The previous prime is 1242029. The next prime is 1242061. The reversal of 1242059 is 9502421.

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 1242059 - 212 = 1237963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6734 + ... + 6915.

It is an arithmetic number, because the mean of its divisors is an integer number (191100).

21242059 is an apocalyptic number.

1242059 is a deficient number, since it is larger than the sum of its proper divisors (286741).

1242059 is a wasteful number, since it uses less digits than its factorization.

1242059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13669.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1242059 is about 1114.4770073896. The cubic root of 1242059 is about 107.4931381955.

The spelling of 1242059 in words is "one million, two hundred forty-two thousand, fifty-nine".

Divisors: 1 7 13 91 13649 95543 177437 1242059