126102115 has 4 divisors (see below), whose sum is σ = 151322544. Its totient is φ = 100881688.

The previous prime is 126102083. The next prime is 126102131. The reversal of 126102115 is 511201621.

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

It is a cyclic number.

It is not a de Polignac number, because 126102115 - 2⁵ = 126102083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126102092 and 126102101.

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, 12610207 + ... + 12610216.

It is an arithmetic number, because the mean of its divisors is an integer number (37830636).

Almost surely, 2^126102115 is an apocalyptic number.

126102115 is a deficient number, since it is larger than the sum of its proper divisors (25220429).

126102115 is an equidigital number, since it uses as much as digits as its factorization.

126102115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25220428.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 126102115 is about 11229.5198027342. The cubic root of 126102115 is about 501.4651889156.

Adding to 126102115 its reverse (511201621), we get a palindrome (637303736).

The spelling of 126102115 in words is "one hundred twenty-six million, one hundred two thousand, one hundred fifteen".