126135007 has 16 divisors (see below), whose sum is σ = 134009280. Its totient is φ = 118540800.

The previous prime is 126134993. The next prime is 126135011. The reversal of 126135007 is 700531621.

It is a cyclic number.

It is not a de Polignac number, because 126135007 - 2¹⁵ = 126102239 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 (126135067) 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, 199582 + ... + 200212.

It is an arithmetic number, because the mean of its divisors is an integer number (8375580).

Almost surely, 2^126135007 is an apocalyptic number.

126135007 is a deficient number, since it is larger than the sum of its proper divisors (7874273).

126135007 is a wasteful number, since it uses less digits than its factorization.

126135007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 126135007 is about 11230.9842400388. The cubic root of 126135007 is about 501.5087852214.

Adding to 126135007 its reverse (700531621), we get a palindrome (826666628).

The spelling of 126135007 in words is "one hundred twenty-six million, one hundred thirty-five thousand, seven".