126601149003 has 16 divisors (see below), whose sum is σ = 192922818816. Its totient is φ = 72340970400.

The previous prime is 126601149001. The next prime is 126601149047. The reversal of 126601149003 is 300941106621.

It is not a de Polignac number, because 126601149003 - 2¹ = 126601149001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126601149001) 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, 621825 + ... + 799917.

It is an arithmetic number, because the mean of its divisors is an integer number (12057676176).

Almost surely, 2^126601149003 is an apocalyptic number.

126601149003 is a deficient number, since it is larger than the sum of its proper divisors (66321669813).

126601149003 is a wasteful number, since it uses less digits than its factorization.

126601149003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211954.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 126601149003 in words is "one hundred twenty-six billion, six hundred one million, one hundred forty-nine thousand, three".