126498862643 has 2 divisors, whose sum is σ = 126498862644. Its totient is φ = 126498862642.

The previous prime is 126498862603. The next prime is 126498862649. The reversal of 126498862643 is 346268894621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126498862643 - 2²⁴ = 126482085427 is a prime.

It is not a weakly prime, because it can be changed into another prime (126498862649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63249431321 + 63249431322.

It is an arithmetic number, because the mean of its divisors is an integer number (63249431322).

Almost surely, 2^126498862643 is an apocalyptic number.

126498862643 is a deficient number, since it is larger than the sum of its proper divisors (1).

126498862643 is an equidigital number, since it uses as much as digits as its factorization.

126498862643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 59.

The spelling of 126498862643 in words is "one hundred twenty-six billion, four hundred ninety-eight million, eight hundred sixty-two thousand, six hundred forty-three".