126440785 has 16 divisors (see below), whose sum is σ = 158031360. Its totient is φ = 97009920.

The previous prime is 126440779. The next prime is 126440791. The reversal of 126440785 is 587044621.

It is an interprime number because it is at equal distance from previous prime (126440779) and next prime (126440791).

It is not a de Polignac number, because 126440785 - 2¹⁷ = 126309713 is a prime.

It is a super-2 number, since 2×126440785² = 31974544222832450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13906 + ... + 21124.

It is an arithmetic number, because the mean of its divisors is an integer number (9876960).

Almost surely, 2^126440785 is an apocalyptic number.

It is an amenable number.

126440785 is a deficient number, since it is larger than the sum of its proper divisors (31590575).

126440785 is a wasteful number, since it uses less digits than its factorization.

126440785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7368.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 126440785 is about 11244.5891432280. The cubic root of 126440785 is about 501.9137127291.

The spelling of 126440785 in words is "one hundred twenty-six million, four hundred forty thousand, seven hundred eighty-five".