126206315 has 4 divisors (see below), whose sum is σ = 151447584. Its totient is φ = 100965048.

The previous prime is 126206309. The next prime is 126206321. The reversal of 126206315 is 513602621.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (126206309) and next prime (126206321).

It is a cyclic number.

It is not a de Polignac number, because 126206315 - 2⁴ = 126206299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12620627 + ... + 12620636.

It is an arithmetic number, because the mean of its divisors is an integer number (37861896).

Almost surely, 2^126206315 is an apocalyptic number.

126206315 is a deficient number, since it is larger than the sum of its proper divisors (25241269).

126206315 is an equidigital number, since it uses as much as digits as its factorization.

126206315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25241268.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 126206315 is about 11234.1584019454. The cubic root of 126206315 is about 501.6032735330.

Adding to 126206315 its reverse (513602621), we get a palindrome (639808936).

The spelling of 126206315 in words is "one hundred twenty-six million, two hundred six thousand, three hundred fifteen".