126429963 has 16 divisors (see below), whose sum is σ = 187370496. Its totient is φ = 75177440.

The previous prime is 126429949. The next prime is 126429973. The reversal of 126429963 is 369924621.

It is a cyclic number.

It is not a de Polignac number, because 126429963 - 2⁸ = 126429707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126429923) 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 15 ways as a sum of consecutive naturals, for example, 34395 + ... + 37892.

It is an arithmetic number, because the mean of its divisors is an integer number (11710656).

Almost surely, 2^126429963 is an apocalyptic number.

126429963 is a deficient number, since it is larger than the sum of its proper divisors (60940533).

126429963 is a wasteful number, since it uses less digits than its factorization.

126429963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72354.

The product of its digits is 139968, while the sum is 42.

The square root of 126429963 is about 11244.1079237083. The cubic root of 126429963 is about 501.8993928107.

The spelling of 126429963 in words is "one hundred twenty-six million, four hundred twenty-nine thousand, nine hundred sixty-three".