126001260 has 144 divisors (see below), whose sum is σ = 476566272. Its totient is φ = 26179200.

The previous prime is 126001207. The next prime is 126001277. The reversal of 126001260 is 62100621.

It is a happy number.

126001260 is a `hidden beast` number, since 1 + 2 + 600 + 1 + 2 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9315 + ... + 18405.

It is an arithmetic number, because the mean of its divisors is an integer number (3309488).

Almost surely, 2^126001260 is an apocalyptic number.

126001260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126001260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238283136).

126001260 is an abundant number, since it is smaller than the sum of its proper divisors (350565012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126001260 is a wasteful number, since it uses less digits than its factorization.

126001260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9124 (or 9119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 126001260 is about 11225.0282850423. The cubic root of 126001260 is about 501.3314645902.

Adding to 126001260 its reverse (62100621), we get a palindrome (188101881).

The spelling of 126001260 in words is "one hundred twenty-six million, one thousand, two hundred sixty".