126899655 has 16 divisors (see below), whose sum is σ = 203179104. Its totient is φ = 67633280.

The previous prime is 126899629. The next prime is 126899659. The reversal of 126899655 is 556998621.

It is not a de Polignac number, because 126899655 - 2¹⁰ = 126898631 is a prime.

It is a super-2 number, since 2×126899655² = 32207044878238050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126899598 and 126899607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126899659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41437 + ... + 44393.

It is an arithmetic number, because the mean of its divisors is an integer number (12698694).

Almost surely, 2^126899655 is an apocalyptic number.

126899655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126899655 is a deficient number, since it is larger than the sum of its proper divisors (76279449).

126899655 is a wasteful number, since it uses less digits than its factorization.

126899655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826.

The product of its digits is 1166400, while the sum is 51.

The square root of 126899655 is about 11264.9747003711. The cubic root of 126899655 is about 502.5201496833.

The spelling of 126899655 in words is "one hundred twenty-six million, eight hundred ninety-nine thousand, six hundred fifty-five".