126742315 has 16 divisors (see below), whose sum is σ = 177518592. Its totient is φ = 85058784.

The previous prime is 126742283. The next prime is 126742367. The reversal of 126742315 is 513247621.

It is a cyclic number.

It is not a de Polignac number, because 126742315 - 2⁵ = 126742283 is a prime.

It is a super-3 number, since 3×126742315³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36879 + ... + 40168.

It is an arithmetic number, because the mean of its divisors is an integer number (11094912).

Almost surely, 2^126742315 is an apocalyptic number.

126742315 is a deficient number, since it is larger than the sum of its proper divisors (50776277).

126742315 is an equidigital number, since it uses as much as digits as its factorization.

126742315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77106.

The product of its digits is 10080, while the sum is 31.

The square root of 126742315 is about 11257.9889411919. The cubic root of 126742315 is about 502.3123760150.

Adding to 126742315 its reverse (513247621), we get a palindrome (639989936).

The spelling of 126742315 in words is "one hundred twenty-six million, seven hundred forty-two thousand, three hundred fifteen".