126293501 has 2 divisors, whose sum is σ = 126293502. Its totient is φ = 126293500.

The previous prime is 126293477. The next prime is 126293507. The reversal of 126293501 is 105392621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 4301476 = 11045^2 + 2074^2 .

It is an emirp because it is prime and its reverse (105392621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126293501 - 2²⁶ = 59184637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126293507) 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, 63146750 + 63146751.

It is an arithmetic number, because the mean of its divisors is an integer number (63146751).

Almost surely, 2^126293501 is an apocalyptic number.

It is an amenable number.

126293501 is a deficient number, since it is larger than the sum of its proper divisors (1).

126293501 is an equidigital number, since it uses as much as digits as its factorization.

126293501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 126293501 is about 11238.0381294957. The cubic root of 126293501 is about 501.7187530064.

The spelling of 126293501 in words is "one hundred twenty-six million, two hundred ninety-three thousand, five hundred one".