126145673 has 2 divisors, whose sum is σ = 126145674. Its totient is φ = 126145672.

The previous prime is 126145637. The next prime is 126145709. The reversal of 126145673 is 376541621.

Together with previous prime (126145637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (126145637) and next prime (126145709).

It can be written as a sum of positive squares in only one way, i.e., 119530489 + 6615184 = 10933^2 + 2572^2 .

It is an emirp because it is prime and its reverse (376541621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126145673 is a prime.

It is not a weakly prime, because it can be changed into another prime (126145633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63072836 + 63072837.

It is an arithmetic number, because the mean of its divisors is an integer number (63072837).

Almost surely, 2^126145673 is an apocalyptic number.

It is an amenable number.

126145673 is a deficient number, since it is larger than the sum of its proper divisors (1).

126145673 is an equidigital number, since it uses as much as digits as its factorization.

126145673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 126145673 is about 11231.4590770745. The cubic root of 126145673 is about 501.5229207155.

The spelling of 126145673 in words is "one hundred twenty-six million, one hundred forty-five thousand, six hundred seventy-three".