124000542102491 has 2 divisors, whose sum is σ = 124000542102492. Its totient is φ = 124000542102490.

The previous prime is 124000542102443. The next prime is 124000542102559. The reversal of 124000542102491 is 194201245000421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124000542102491 - 2¹⁴ = 124000542086107 is a prime.

It is a super-2 number, since 2×124000542102491² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124000542122491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000271051245 + 62000271051246.

It is an arithmetic number, because the mean of its divisors is an integer number (62000271051246).

Almost surely, 2^{124000542102491} is an apocalyptic number.

124000542102491 is a deficient number, since it is larger than the sum of its proper divisors (1).

124000542102491 is an equidigital number, since it uses as much as digits as its factorization.

124000542102491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 124000542102491 in words is "one hundred twenty-four trillion, five hundred forty-two million, one hundred two thousand, four hundred ninety-one".