126645772307 has 8 divisors (see below), whose sum is σ = 130279462656. Its totient is φ = 123023178432.

The previous prime is 126645772291. The next prime is 126645772327. The reversal of 126645772307 is 703277546621.

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

It is a cyclic number.

It is not a de Polignac number, because 126645772307 - 2⁴ = 126645772291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126645772327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750963 + ... + 2796620.

It is an arithmetic number, because the mean of its divisors is an integer number (16284932832).

Almost surely, 2^126645772307 is an apocalyptic number.

126645772307 is a deficient number, since it is larger than the sum of its proper divisors (3633690349).

126645772307 is an equidigital number, since it uses as much as digits as its factorization.

126645772307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548237.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 126645772307 in words is "one hundred twenty-six billion, six hundred forty-five million, seven hundred seventy-two thousand, three hundred seven".