126102773 has 4 divisors (see below), whose sum is σ = 126321900. Its totient is φ = 125883648.

The previous prime is 126102763. The next prime is 126102811. The reversal of 126102773 is 377201621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 377201621 = 313 ⋅1205117.

It can be written as a sum of positive squares in 2 ways, for example, as 90973444 + 35129329 = 9538^2 + 5927^2 .

It is a cyclic number.

It is not a de Polignac number, because 126102773 - 2⁸ = 126102517 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 (126102733) 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, 108698 + ... + 109851.

It is an arithmetic number, because the mean of its divisors is an integer number (31580475).

Almost surely, 2^126102773 is an apocalyptic number.

It is an amenable number.

126102773 is a deficient number, since it is larger than the sum of its proper divisors (219127).

126102773 is an equidigital number, since it uses as much as digits as its factorization.

126102773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219126.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 126102773 is about 11229.5491004759. The cubic root of 126102773 is about 501.4660611281.

The spelling of 126102773 in words is "one hundred twenty-six million, one hundred two thousand, seven hundred seventy-three".