126340655 has 16 divisors (see below), whose sum is σ = 178857984. Its totient is φ = 83838240.

The previous prime is 126340637. The next prime is 126340693. The reversal of 126340655 is 556043621.

It is not a de Polignac number, because 126340655 - 2⁸ = 126340399 is a prime.

It is a super-2 number, since 2×126340655² = 31923922211658050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57137 + ... + 59306.

It is an arithmetic number, because the mean of its divisors is an integer number (11178624).

Almost surely, 2^126340655 is an apocalyptic number.

126340655 is a deficient number, since it is larger than the sum of its proper divisors (52517329).

126340655 is a wasteful number, since it uses less digits than its factorization.

126340655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116486.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 126340655 is about 11240.1358977550. The cubic root of 126340655 is about 501.7811872095.

The spelling of 126340655 in words is "one hundred twenty-six million, three hundred forty thousand, six hundred fifty-five".