126378291910 has 16 divisors (see below), whose sum is σ = 244979458416. Its totient is φ = 46662753888.

The previous prime is 126378291901. The next prime is 126378291937. The reversal of 126378291910 is 19192873621.

It is a happy number.

It is a congruent number.

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, 486070224 + ... + 486070483.

It is an arithmetic number, because the mean of its divisors is an integer number (15311216151).

Almost surely, 2^126378291910 is an apocalyptic number.

126378291910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126378291910 is a deficient number, since it is larger than the sum of its proper divisors (118601166506).

126378291910 is a wasteful number, since it uses less digits than its factorization.

126378291910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972140727.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 126378291910 in words is "one hundred twenty-six billion, three hundred seventy-eight million, two hundred ninety-one thousand, nine hundred ten".