126604103 has 4 divisors (see below), whose sum is σ = 126692808. Its totient is φ = 126515400.

The previous prime is 126604099. The next prime is 126604123. The reversal of 126604103 is 301406621.

It is a happy number.

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 126604103 - 2² = 126604099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126604123) 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, 42176 + ... + 45077.

It is an arithmetic number, because the mean of its divisors is an integer number (31673202).

Almost surely, 2^126604103 is an apocalyptic number.

126604103 is a deficient number, since it is larger than the sum of its proper divisors (88705).

126604103 is an equidigital number, since it uses as much as digits as its factorization.

126604103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88704.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 126604103 is about 11251.8488702968. The cubic root of 126604103 is about 502.1297197082.

The spelling of 126604103 in words is "one hundred twenty-six million, six hundred four thousand, one hundred three".