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1252141 = 11891279
BaseRepresentation
bin100110001101100101101
32100121121121
410301230231
5310032031
642500541
713433362
oct4615455
92317547
101252141
11785830
12504751
1334ac17
14248469
1519b011
hex131b2d

1252141 has 8 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 1124640.

The previous prime is 1252129. The next prime is 1252151. The reversal of 1252141 is 1412521.

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

It is not a de Polignac number, because 1252141 - 25 = 1252109 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

21252141 is an apocalyptic number.

1252141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1252141 is a deficient number, since it is larger than the sum of its proper divisors (130259).

1252141 is a wasteful number, since it uses less digits than its factorization.

1252141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 80, while the sum is 16.

The square root of 1252141 is about 1118.9910634138. The cubic root of 1252141 is about 107.7832013504.

Adding to 1252141 its reverse (1412521), we get a palindrome (2664662).

The spelling of 1252141 in words is "one million, two hundred fifty-two thousand, one hundred forty-one".

Divisors: 1 11 89 979 1279 14069 113831 1252141