126141555 has 8 divisors (see below), whose sum is σ = 201826512. Its totient is φ = 67275488.

The previous prime is 126141539. The next prime is 126141559. The reversal of 126141555 is 555141621.

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

It is a cyclic number.

It is not a de Polignac number, because 126141555 - 2⁴ = 126141539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126141559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4204704 + ... + 4204733.

It is an arithmetic number, because the mean of its divisors is an integer number (25228314).

Almost surely, 2^126141555 is an apocalyptic number.

126141555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126141555 is a deficient number, since it is larger than the sum of its proper divisors (75684957).

126141555 is an equidigital number, since it uses as much as digits as its factorization.

126141555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409445.

The product of its digits is 6000, while the sum is 30.

The square root of 126141555 is about 11231.2757512226. The cubic root of 126141555 is about 501.5174632847.

The spelling of 126141555 in words is "one hundred twenty-six million, one hundred forty-one thousand, five hundred fifty-five".