4278430126 has 4 divisors (see below), whose sum is σ = 6417645192. Its totient is φ = 2139215062.

The previous prime is 4278430111. The next prime is 4278430153. The reversal of 4278430126 is 6210348724.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069607530 + ... + 1069607533.

It is an arithmetic number, because the mean of its divisors is an integer number (1604411298).

Almost surely, 2^4278430126 is an apocalyptic number.

4278430126 is a deficient number, since it is larger than the sum of its proper divisors (2139215066).

4278430126 is a wasteful number, since it uses less digits than its factorization.

4278430126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139215065.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 4278430126 is about 65409.7097226398. The cubic root of 4278430126 is about 1623.4097422059.

The spelling of 4278430126 in words is "four billion, two hundred seventy-eight million, four hundred thirty thousand, one hundred twenty-six".