126542315 has 8 divisors (see below), whose sum is σ = 154424880. Its totient is φ = 99517792.

The previous prime is 126542303. The next prime is 126542321. The reversal of 126542315 is 513245621.

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

It is a cyclic number.

It is not a de Polignac number, because 126542315 - 2¹² = 126538219 is a prime.

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, 214184 + ... + 214773.

It is an arithmetic number, because the mean of its divisors is an integer number (19303110).

Almost surely, 2^126542315 is an apocalyptic number.

126542315 is a deficient number, since it is larger than the sum of its proper divisors (27882565).

126542315 is an equidigital number, since it uses as much as digits as its factorization.

126542315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429021.

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

The square root of 126542315 is about 11249.1028531168. The cubic root of 126542315 is about 502.0480197764.

Adding to 126542315 its reverse (513245621), we get a palindrome (639787936).

The spelling of 126542315 in words is "one hundred twenty-six million, five hundred forty-two thousand, three hundred fifteen".