126899127 has 24 divisors (see below), whose sum is σ = 186647760. Its totient is φ = 83068800.

The previous prime is 126899117. The next prime is 126899153. The reversal of 126899127 is 721998621.

It is not a de Polignac number, because 126899127 - 2¹⁰ = 126898103 is a prime.

It is a super-2 number, since 2×126899127² = 32206776866724258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126899117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124024 + ... + 125042.

It is an arithmetic number, because the mean of its divisors is an integer number (7776990).

Almost surely, 2^126899127 is an apocalyptic number.

126899127 is a deficient number, since it is larger than the sum of its proper divisors (59748633).

126899127 is a wasteful number, since it uses less digits than its factorization.

126899127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1260 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 126899127 is about 11264.9512648746. The cubic root of 126899127 is about 502.5194527258.

The spelling of 126899127 in words is "one hundred twenty-six million, eight hundred ninety-nine thousand, one hundred twenty-seven".