126099087 has 16 divisors (see below), whose sum is σ = 175703040. Its totient is φ = 80291552.

The previous prime is 126099049. The next prime is 126099097. The reversal of 126099087 is 780990621.

It is a cyclic number.

It is not a de Polignac number, because 126099087 - 2⁶ = 126099023 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126099007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84058 + ... + 85544.

It is an arithmetic number, because the mean of its divisors is an integer number (10981440).

Almost surely, 2^126099087 is an apocalyptic number.

126099087 is a deficient number, since it is larger than the sum of its proper divisors (49603953).

126099087 is a wasteful number, since it uses less digits than its factorization.

126099087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 126099087 is about 11229.3849787065. The cubic root of 126099087 is about 501.4611751084.

The spelling of 126099087 in words is "one hundred twenty-six million, ninety-nine thousand, eighty-seven".