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126461 is a prime number
BaseRepresentation
bin11110110111111101
320102110202
4132313331
513021321
62413245
71034456
oct366775
9212422
10126461
1187015
1261225
134573a
143412d
152770b
hex1edfd

126461 has 2 divisors, whose sum is σ = 126462. Its totient is φ = 126460.

The previous prime is 126457. The next prime is 126473. The reversal of 126461 is 164621.

It can be divided in two parts, 1 and 26461, that added together give a palindrome (26462).

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109561 + 16900 = 331^2 + 130^2 .

It is an emirp because it is prime and its reverse (164621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126461 - 22 = 126457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63230 + 63231.

It is an arithmetic number, because the mean of its divisors is an integer number (63231).

2126461 is an apocalyptic number.

It is an amenable number.

126461 is a deficient number, since it is larger than the sum of its proper divisors (1).

126461 is an equidigital number, since it uses as much as digits as its factorization.

126461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 126461 is about 355.6135542974. The cubic root of 126461 is about 50.1940459492.

The spelling of 126461 in words is "one hundred twenty-six thousand, four hundred sixty-one".