126701458249 has 2 divisors, whose sum is σ = 126701458250. Its totient is φ = 126701458248.

The previous prime is 126701458241. The next prime is 126701458271. The reversal of 126701458249 is 942854107621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113168324025 + 13533134224 = 336405^2 + 116332^2 .

It is a cyclic number.

It is not a de Polignac number, because 126701458249 - 2³ = 126701458241 is a prime.

It is not a weakly prime, because it can be changed into another prime (126701458241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63350729124 + 63350729125.

It is an arithmetic number, because the mean of its divisors is an integer number (63350729125).

Almost surely, 2^126701458249 is an apocalyptic number.

It is an amenable number.

126701458249 is a deficient number, since it is larger than the sum of its proper divisors (1).

126701458249 is an equidigital number, since it uses as much as digits as its factorization.

126701458249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 126701458249 in words is "one hundred twenty-six billion, seven hundred one million, four hundred fifty-eight thousand, two hundred forty-nine".