126402010773 has 4 divisors (see below), whose sum is σ = 168536014368. Its totient is φ = 84268007180.

The previous prime is 126402010751. The next prime is 126402010829. The reversal of 126402010773 is 377010204621.

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.

It is a cyclic number.

It is not a de Polignac number, because 126402010773 - 2⁵ = 126402010741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126402010703) 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, 21067001793 + ... + 21067001798.

It is an arithmetic number, because the mean of its divisors is an integer number (42134003592).

Almost surely, 2^126402010773 is an apocalyptic number.

It is an amenable number.

126402010773 is a deficient number, since it is larger than the sum of its proper divisors (42134003595).

126402010773 is an equidigital number, since it uses as much as digits as its factorization.

126402010773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42134003594.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 126402010773 in words is "one hundred twenty-six billion, four hundred two million, ten thousand, seven hundred seventy-three".