124996066609 has 4 divisors (see below), whose sum is σ = 124996933440. Its totient is φ = 124995199780.

The previous prime is 124996066579. The next prime is 124996066621. The reversal of 124996066609 is 906660699421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 124996066609 - 2⁵ = 124996066577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124996016609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159349 + ... + 524770.

It is an arithmetic number, because the mean of its divisors is an integer number (31249233360).

Almost surely, 2^124996066609 is an apocalyptic number.

It is an amenable number.

124996066609 is a deficient number, since it is larger than the sum of its proper divisors (866831).

124996066609 is an equidigital number, since it uses as much as digits as its factorization.

124996066609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866830.

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 124996066609 in words is "one hundred twenty-four billion, nine hundred ninety-six million, sixty-six thousand, six hundred nine".