126513010 has 16 divisors (see below), whose sum is σ = 245240856. Its totient is φ = 46712448.

The previous prime is 126513007. The next prime is 126513043. The reversal of 126513010 is 10315621.

It can be written as a sum of positive squares in 4 ways, for example, as 109809441 + 16703569 = 10479^2 + 4087^2 .

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, 486459 + ... + 486718.

Almost surely, 2^126513010 is an apocalyptic number.

126513010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126513010 is a deficient number, since it is larger than the sum of its proper divisors (118727846).

126513010 is a wasteful number, since it uses less digits than its factorization.

126513010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973197.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 126513010 is about 11247.8002293782. The cubic root of 126513010 is about 502.0092615869.

Adding to 126513010 its reverse (10315621), we get a palindrome (136828631).

The spelling of 126513010 in words is "one hundred twenty-six million, five hundred thirteen thousand, ten".