126465503 has 2 divisors, whose sum is σ = 126465504. Its totient is φ = 126465502.

The previous prime is 126465467. The next prime is 126465509. The reversal of 126465503 is 305564621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126465503 - 2¹² = 126461407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126465503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126465509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63232751 + 63232752.

It is an arithmetic number, because the mean of its divisors is an integer number (63232752).

Almost surely, 2^126465503 is an apocalyptic number.

126465503 is a deficient number, since it is larger than the sum of its proper divisors (1).

126465503 is an equidigital number, since it uses as much as digits as its factorization.

126465503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 126465503 is about 11245.6881959265. The cubic root of 126465503 is about 501.9464170889.

The spelling of 126465503 in words is "one hundred twenty-six million, four hundred sixty-five thousand, five hundred three".