126452041691 has 6 divisors (see below), whose sum is σ = 127421425692. Its totient is φ = 125482719960.

The previous prime is 126452041679. The next prime is 126452041693. The reversal of 126452041691 is 196140254621.

It is not a de Polignac number, because 126452041691 - 2³⁴ = 109272172507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126452041693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4054505 + ... + 4085573.

It is an arithmetic number, because the mean of its divisors is an integer number (21236904282).

Almost surely, 2^126452041691 is an apocalyptic number.

126452041691 is a deficient number, since it is larger than the sum of its proper divisors (969384001).

126452041691 is an frugal number, since it uses more digits than its factorization.

126452041691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62269 (or 31200 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 126452041691 in words is "one hundred twenty-six billion, four hundred fifty-two million, forty-one thousand, six hundred ninety-one".