126540130 has 16 divisors (see below), whose sum is σ = 228454200. Its totient is φ = 50464512.

The previous prime is 126540107. The next prime is 126540151. The reversal of 126540130 is 31045621.

It can be written as a sum of positive squares in 4 ways, for example, as 75116889 + 51423241 = 8667^2 + 7171^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15405 + ... + 22144.

Almost surely, 2^126540130 is an apocalyptic number.

126540130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126540130 is a deficient number, since it is larger than the sum of its proper divisors (101914070).

126540130 is a wasteful number, since it uses less digits than its factorization.

126540130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37893.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 126540130 is about 11249.0057338415. The cubic root of 126540130 is about 502.0451301469.

Adding to 126540130 its reverse (31045621), we get a palindrome (157585751).

The spelling of 126540130 in words is "one hundred twenty-six million, five hundred forty thousand, one hundred thirty".