126378897 has 8 divisors (see below), whose sum is σ = 174315840. Its totient is φ = 81347280.

The previous prime is 126378887. The next prime is 126378929. The reversal of 126378897 is 798873621.

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

It is not a de Polignac number, because 126378897 - 2¹¹ = 126376849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126378887) 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, 726229 + ... + 726402.

It is an arithmetic number, because the mean of its divisors is an integer number (21789480).

Almost surely, 2^126378897 is an apocalyptic number.

It is an amenable number.

126378897 is a deficient number, since it is larger than the sum of its proper divisors (47936943).

126378897 is a wasteful number, since it uses less digits than its factorization.

126378897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452663.

The product of its digits is 1016064, while the sum is 51.

The square root of 126378897 is about 11241.8369050614. The cubic root of 126378897 is about 501.8318100814.

The spelling of 126378897 in words is "one hundred twenty-six million, three hundred seventy-eight thousand, eight hundred ninety-seven".