126044099 has 4 divisors (see below), whose sum is σ = 127819440. Its totient is φ = 124268760.

The previous prime is 126044057. The next prime is 126044111. The reversal of 126044099 is 990440621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126044099 - 2¹⁶ = 125978563 is a prime.

It is a super-2 number, since 2×126044099² = 31774229785443602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126044999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887564 + ... + 887705.

It is an arithmetic number, because the mean of its divisors is an integer number (31954860).

Almost surely, 2^126044099 is an apocalyptic number.

126044099 is a deficient number, since it is larger than the sum of its proper divisors (1775341).

126044099 is an equidigital number, since it uses as much as digits as its factorization.

126044099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775340.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 126044099 is about 11226.9363140618. The cubic root of 126044099 is about 501.3882738241.

The spelling of 126044099 in words is "one hundred twenty-six million, forty-four thousand, ninety-nine".