126740233985 has 8 divisors (see below), whose sum is σ = 152127982440. Its totient is φ = 101365719424.

The previous prime is 126740233931. The next prime is 126740234003. The reversal of 126740233985 is 589332047621.

It can be written as a sum of positive squares in 4 ways, for example, as 13500580864 + 113239653121 = 116192^2 + 336511^2 .

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 126740233985 - 2¹⁰ = 126740232961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287390 + ... + 3325719.

It is an arithmetic number, because the mean of its divisors is an integer number (19015997805).

It is a 1-persistent number, because it is pandigital, but 2⋅126740233985 = 253480467970 is not.

Almost surely, 2^126740233985 is an apocalyptic number.

It is an amenable number.

126740233985 is a deficient number, since it is larger than the sum of its proper divisors (25387748455).

126740233985 is an equidigital number, since it uses as much as digits as its factorization.

126740233985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616947.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 126740233985 in words is "one hundred twenty-six billion, seven hundred forty million, two hundred thirty-three thousand, nine hundred eighty-five".