126607530 has 64 divisors (see below), whose sum is σ = 348491520. Its totient is φ = 28836864.

The previous prime is 126607529. The next prime is 126607531. The reversal of 126607530 is 35706621.

It is an interprime number because it is at equal distance from previous prime (126607529) and next prime (126607531).

It is a super-3 number, since 3×126607530³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (126607531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69876 + ... + 71664.

It is an arithmetic number, because the mean of its divisors is an integer number (5445180).

Almost surely, 2^126607530 is an apocalyptic number.

126607530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126607530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174245760).

126607530 is an abundant number, since it is smaller than the sum of its proper divisors (221883990).

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

126607530 is a wasteful number, since it uses less digits than its factorization.

126607530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 126607530 is about 11252.0011553501. The cubic root of 126607530 is about 502.1342503224.

Subtracting from 126607530 its reverse (35706621), we obtain a palindrome (90900909).

The spelling of 126607530 in words is "one hundred twenty-six million, six hundred seven thousand, five hundred thirty".