126007189 has 8 divisors (see below), whose sum is σ = 157099968. Its totient is φ = 98187360.

The previous prime is 126007169. The next prime is 126007199. The reversal of 126007189 is 981700621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126007189 - 2¹⁷ = 125876117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126007109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818152 + ... + 818305.

It is an arithmetic number, because the mean of its divisors is an integer number (19637496).

Almost surely, 2^126007189 is an apocalyptic number.

It is an amenable number.

126007189 is a deficient number, since it is larger than the sum of its proper divisors (31092779).

126007189 is a wasteful number, since it uses less digits than its factorization.

126007189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636475.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 126007189 is about 11225.2923792657. The cubic root of 126007189 is about 501.3393278651.

The spelling of 126007189 in words is "one hundred twenty-six million, seven thousand, one hundred eighty-nine".