126255200501 has 2 divisors, whose sum is σ = 126255200502. Its totient is φ = 126255200500.

The previous prime is 126255200497. The next prime is 126255200509. The reversal of 126255200501 is 105002552621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126216772900 + 38427601 = 355270^2 + 6199^2 .

It is a cyclic number.

It is not a de Polignac number, because 126255200501 - 2² = 126255200497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126255200509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63127600250 + 63127600251.

It is an arithmetic number, because the mean of its divisors is an integer number (63127600251).

Almost surely, 2^126255200501 is an apocalyptic number.

It is an amenable number.

126255200501 is a deficient number, since it is larger than the sum of its proper divisors (1).

126255200501 is an equidigital number, since it uses as much as digits as its factorization.

126255200501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 126255200501 in words is "one hundred twenty-six billion, two hundred fifty-five million, two hundred thousand, five hundred one".