126146699 has 4 divisors (see below), whose sum is σ = 144167664. Its totient is φ = 108125736.

The previous prime is 126146693. The next prime is 126146707. The reversal of 126146699 is 996641621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996641621 = 13591 ⋅73331.

It is a cyclic number.

It is not a de Polignac number, because 126146699 - 2²⁰ = 125098123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126146693) 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 3 ways as a sum of consecutive naturals, for example, 9010472 + ... + 9010485.

It is an arithmetic number, because the mean of its divisors is an integer number (36041916).

Almost surely, 2^126146699 is an apocalyptic number.

126146699 is a deficient number, since it is larger than the sum of its proper divisors (18020965).

126146699 is an equidigital number, since it uses as much as digits as its factorization.

126146699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18020964.

The product of its digits is 139968, while the sum is 44.

The square root of 126146699 is about 11231.5047522583. The cubic root of 126146699 is about 501.5242804163.

The spelling of 126146699 in words is "one hundred twenty-six million, one hundred forty-six thousand, six hundred ninety-nine".