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1242132 = 223103511
BaseRepresentation
bin100101111010000010100
32100002212220
410233100110
5304222012
642342340
713362243
oct4572024
92302786
101242132
11779261
124ba9b0
133464b8
1424495a
1519808c
hex12f414

1242132 has 12 divisors (see below), whose sum is σ = 2898336. Its totient is φ = 414040.

The previous prime is 1242121. The next prime is 1242151. The reversal of 1242132 is 2312421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51744 + ... + 51767.

It is an arithmetic number, because the mean of its divisors is an integer number (241528).

21242132 is an apocalyptic number.

1242132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242132 is an abundant number, since it is smaller than the sum of its proper divisors (1656204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242132 is a wasteful number, since it uses less digits than its factorization.

1242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103518 (or 103516 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 1242132 is about 1114.5097576962. The cubic root of 1242132 is about 107.4952440658.

Adding to 1242132 its reverse (2312421), we get a palindrome (3554553).

The spelling of 1242132 in words is "one million, two hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 103511 207022 310533 414044 621066 1242132