126461612357 has 2 divisors, whose sum is σ = 126461612358. Its totient is φ = 126461612356.

The previous prime is 126461612339. The next prime is 126461612371. The reversal of 126461612357 is 753216164621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95749400356 + 30712212001 = 309434^2 + 175249^2 .

It is a cyclic number.

It is not a de Polignac number, because 126461612357 - 2¹⁰ = 126461611333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126464612357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63230806178 + 63230806179.

It is an arithmetic number, because the mean of its divisors is an integer number (63230806179).

Almost surely, 2^126461612357 is an apocalyptic number.

It is an amenable number.

126461612357 is a deficient number, since it is larger than the sum of its proper divisors (1).

126461612357 is an equidigital number, since it uses as much as digits as its factorization.

126461612357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

Adding to 126461612357 its reverse (753216164621), we get a palindrome (879677776978).

The spelling of 126461612357 in words is "one hundred twenty-six billion, four hundred sixty-one million, six hundred twelve thousand, three hundred fifty-seven".