126510497798 has 8 divisors (see below), whose sum is σ = 198016431408. Its totient is φ = 60505020664.

The previous prime is 126510497783. The next prime is 126510497803. The reversal of 126510497798 is 897794015621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375114061 + ... + 1375114152.

It is an arithmetic number, because the mean of its divisors is an integer number (24752053926).

Almost surely, 2^126510497798 is an apocalyptic number.

126510497798 is a deficient number, since it is larger than the sum of its proper divisors (71505933610).

126510497798 is a wasteful number, since it uses less digits than its factorization.

126510497798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750228238.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 126510497798 in words is "one hundred twenty-six billion, five hundred ten million, four hundred ninety-seven thousand, seven hundred ninety-eight".