126099001 has 6 divisors (see below), whose sum is σ = 146686650. Its totient is φ = 108084816.

The previous prime is 126098969. The next prime is 126099007. The reversal of 126099001 is 100990621.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 24492601 = 10080^2 + 4949^2 .

It is not a de Polignac number, because 126099001 - 2⁵ = 126098969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126099007) 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 5 ways as a sum of consecutive naturals, for example, 1286676 + ... + 1286773.

It is an arithmetic number, because the mean of its divisors is an integer number (24447775).

Almost surely, 2^126099001 is an apocalyptic number.

It is an amenable number.

126099001 is a deficient number, since it is larger than the sum of its proper divisors (20587649).

126099001 is an equidigital number, since it uses as much as digits as its factorization.

126099001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573463 (or 2573456 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 126099001 is about 11229.3811494668. The cubic root of 126099001 is about 501.4610611090.

The spelling of 126099001 in words is "one hundred twenty-six million, ninety-nine thousand, one".