126255361 has 4 divisors (see below), whose sum is σ = 132900400. Its totient is φ = 119610324.

The previous prime is 126255347. The next prime is 126255373. The reversal of 126255361 is 163552621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126255361 - 2²⁵ = 92700929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126255341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3322491 + ... + 3322528.

It is an arithmetic number, because the mean of its divisors is an integer number (33225100).

Almost surely, 2^126255361 is an apocalyptic number.

It is an amenable number.

126255361 is a deficient number, since it is larger than the sum of its proper divisors (6645039).

126255361 is an equidigital number, since it uses as much as digits as its factorization.

126255361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645038.

The product of its digits is 10800, while the sum is 31.

The square root of 126255361 is about 11236.3410859585. The cubic root of 126255361 is about 501.6682424108.

The spelling of 126255361 in words is "one hundred twenty-six million, two hundred fifty-five thousand, three hundred sixty-one".