126715603 has 16 divisors (see below), whose sum is σ = 153641664. Its totient is φ = 102021120.

The previous prime is 126715577. The next prime is 126715607. The reversal of 126715603 is 306517621.

It is a cyclic number.

It is not a de Polignac number, because 126715603 - 2²¹ = 124618451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126715607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97051 + ... + 98347.

It is an arithmetic number, because the mean of its divisors is an integer number (9602604).

Almost surely, 2^126715603 is an apocalyptic number.

126715603 is a deficient number, since it is larger than the sum of its proper divisors (26926061).

126715603 is a wasteful number, since it uses less digits than its factorization.

126715603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 126715603 is about 11256.8025211425. The cubic root of 126715603 is about 502.2770846947.

The spelling of 126715603 in words is "one hundred twenty-six million, seven hundred fifteen thousand, six hundred three".