126815101 has 8 divisors (see below), whose sum is σ = 152559680. Its totient is φ = 102977568.

The previous prime is 126815033. The next prime is 126815137. The reversal of 126815101 is 101518621.

It is a happy number.

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

It is not a de Polignac number, because 126815101 - 2⁷ = 126814973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126875101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476616 + ... + 476881.

It is an arithmetic number, because the mean of its divisors is an integer number (19069960).

Almost surely, 2^126815101 is an apocalyptic number.

It is an amenable number.

126815101 is a deficient number, since it is larger than the sum of its proper divisors (25744579).

126815101 is an equidigital number, since it uses as much as digits as its factorization.

126815101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953523.

The product of its (nonzero) digits is 480, while the sum is 25.

The square root of 126815101 is about 11261.2211149591. The cubic root of 126815101 is about 502.4085141569.

The spelling of 126815101 in words is "one hundred twenty-six million, eight hundred fifteen thousand, one hundred one".