126536101 has 4 divisors (see below), whose sum is σ = 126794304. Its totient is φ = 126277900.

The previous prime is 126536099. The next prime is 126536107. The reversal of 126536101 is 101635621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101635621 = 839 ⋅121139.

It is a cyclic number.

It is not a de Polignac number, because 126536101 - 2¹ = 126536099 is a prime.

It is a super-2 number, since 2×126536101² = 32022769712564402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126536107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128365 + ... + 129346.

It is an arithmetic number, because the mean of its divisors is an integer number (31698576).

Almost surely, 2^126536101 is an apocalyptic number.

It is an amenable number.

126536101 is a deficient number, since it is larger than the sum of its proper divisors (258203).

126536101 is an equidigital number, since it uses as much as digits as its factorization.

126536101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258202.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 126536101 is about 11248.8266499222. The cubic root of 126536101 is about 502.0398017679.

The spelling of 126536101 in words is "one hundred twenty-six million, five hundred thirty-six thousand, one hundred one".