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12125461 is a prime number
BaseRepresentation
bin101110010000…
…010100010101
3211211001000011
4232100110111
511101003321
61111520221
7205031125
oct56202425
924731004
1012125461
116932047
124089071
13268713a
141878c85
1510e7ae1
hexb90515

12125461 has 2 divisors, whose sum is σ = 12125462. Its totient is φ = 12125460.

The previous prime is 12125447. The next prime is 12125467. The reversal of 12125461 is 16452121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12117361 + 8100 = 3481^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 12125461 - 215 = 12092693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12125467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062730 + 6062731.

It is an arithmetic number, because the mean of its divisors is an integer number (6062731).

Almost surely, 212125461 is an apocalyptic number.

It is an amenable number.

12125461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12125461 is an equidigital number, since it uses as much as digits as its factorization.

12125461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 12125461 is about 3482.1632644091. The cubic root of 12125461 is about 229.7379561296.

Adding to 12125461 its reverse (16452121), we get a palindrome (28577582).

The spelling of 12125461 in words is "twelve million, one hundred twenty-five thousand, four hundred sixty-one".