126378485 has 4 divisors (see below), whose sum is σ = 151654188. Its totient is φ = 101102784.

The previous prime is 126378457. The next prime is 126378503. The reversal of 126378485 is 584873621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584873621 = 31 ⋅18866891.

It can be written as a sum of positive squares in 2 ways, for example, as 76492516 + 49885969 = 8746^2 + 7063^2 .

It is a cyclic number.

It is not a de Polignac number, because 126378485 - 2¹⁴ = 126362101 is a prime.

It is a Duffinian number.

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, 12637844 + ... + 12637853.

It is an arithmetic number, because the mean of its divisors is an integer number (37913547).

Almost surely, 2^126378485 is an apocalyptic number.

It is an amenable number.

126378485 is a deficient number, since it is larger than the sum of its proper divisors (25275703).

126378485 is an equidigital number, since it uses as much as digits as its factorization.

126378485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25275702.

The product of its digits is 322560, while the sum is 44.

The square root of 126378485 is about 11241.8185806390. The cubic root of 126378485 is about 501.8312647506.

The spelling of 126378485 in words is "one hundred twenty-six million, three hundred seventy-eight thousand, four hundred eighty-five".