126513245 has 8 divisors (see below), whose sum is σ = 152305920. Its totient is φ = 100883920.

The previous prime is 126513241. The next prime is 126513259. The reversal of 126513245 is 542315621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126513245 - 2² = 126513241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126513241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39125 + ... + 42234.

It is an arithmetic number, because the mean of its divisors is an integer number (19038240).

Almost surely, 2^126513245 is an apocalyptic number.

It is an amenable number.

126513245 is a deficient number, since it is larger than the sum of its proper divisors (25792675).

126513245 is an equidigital number, since it uses as much as digits as its factorization.

126513245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81675.

The product of its digits is 7200, while the sum is 29.

The square root of 126513245 is about 11247.8106758604. The cubic root of 126513245 is about 502.0095724168.

Adding to 126513245 its reverse (542315621), we get a palindrome (668828866).

The spelling of 126513245 in words is "one hundred twenty-six million, five hundred thirteen thousand, two hundred forty-five".