126612503 has 2 divisors, whose sum is σ = 126612504. Its totient is φ = 126612502.

The previous prime is 126612461. The next prime is 126612529. The reversal of 126612503 is 305216621.

It is an a-pointer prime, because the next prime (126612529) can be obtained adding 126612503 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (305216621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126612503 - 2¹⁶ = 126546967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126612533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63306251 + 63306252.

It is an arithmetic number, because the mean of its divisors is an integer number (63306252).

Almost surely, 2^126612503 is an apocalyptic number.

126612503 is a deficient number, since it is larger than the sum of its proper divisors (1).

126612503 is an equidigital number, since it uses as much as digits as its factorization.

126612503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 126612503 is about 11252.2221360938. Note that the first 3 decimals coincide. The cubic root of 126612503 is about 502.1408246573.

The spelling of 126612503 in words is "one hundred twenty-six million, six hundred twelve thousand, five hundred three".