126461655 has 20 divisors (see below), whose sum is σ = 226694952. Its totient is φ = 67446000.

The previous prime is 126461653. The next prime is 126461681. The reversal of 126461655 is 556164621.

126461655 is a `hidden beast` number, since 1 + 2 + 646 + 1 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 126461655 - 2¹ = 126461653 is a prime.

It is a super-3 number, since 3×126461655³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126461653) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 155721 + ... + 156530.

Almost surely, 2^126461655 is an apocalyptic number.

126461655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126461655 is a deficient number, since it is larger than the sum of its proper divisors (100233297).

126461655 is an equidigital number, since it uses as much as digits as its factorization.

126461655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312268 (or 312259 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 126461655 is about 11245.5171068297. The cubic root of 126461655 is about 501.9413260842.

The spelling of 126461655 in words is "one hundred twenty-six million, four hundred sixty-one thousand, six hundred fifty-five".