126378903 has 8 divisors (see below), whose sum is σ = 192577408. Its totient is φ = 72216504.

The previous prime is 126378887. The next prime is 126378929. The reversal of 126378903 is 309873621.

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

It is not a de Polignac number, because 126378903 - 2⁴ = 126378887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126378983) 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, 3009001 + ... + 3009042.

It is an arithmetic number, because the mean of its divisors is an integer number (24072176).

Almost surely, 2^126378903 is an apocalyptic number.

126378903 is a deficient number, since it is larger than the sum of its proper divisors (66198505).

126378903 is an equidigital number, since it uses as much as digits as its factorization.

126378903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018053.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 126378903 is about 11241.8371719217. The cubic root of 126378903 is about 501.8318180231.

The spelling of 126378903 in words is "one hundred twenty-six million, three hundred seventy-eight thousand, nine hundred three".