126973373 has 2 divisors, whose sum is σ = 126973374. Its totient is φ = 126973372.

The previous prime is 126973321. The next prime is 126973393. The reversal of 126973373 is 373379621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124835929 + 2137444 = 11173^2 + 1462^2 .

It is a cyclic number.

It is not a de Polignac number, because 126973373 - 2¹⁴ = 126956989 is a prime.

It is a super-2 number, since 2×126973373² = 32244474901994258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126973373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126973393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63486686 + 63486687.

It is an arithmetic number, because the mean of its divisors is an integer number (63486687).

Almost surely, 2^126973373 is an apocalyptic number.

It is an amenable number.

126973373 is a deficient number, since it is larger than the sum of its proper divisors (1).

126973373 is an equidigital number, since it uses as much as digits as its factorization.

126973373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 41.

The square root of 126973373 is about 11268.2462255668. The cubic root of 126973373 is about 502.6174381260.

The spelling of 126973373 in words is "one hundred twenty-six million, nine hundred seventy-three thousand, three hundred seventy-three".