1051278876 has 36 divisors (see below), whose sum is σ = 2663934000. Its totient is φ = 349564608.

The previous prime is 1051278869. The next prime is 1051278923. The reversal of 1051278876 is 6788721501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1051278876² = 2210374550247646752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20976 + ... + 50423.

Almost surely, 2^1051278876 is an apocalyptic number.

It is an amenable number.

1051278876 is an abundant number, since it is smaller than the sum of its proper divisors (1612655124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051278876 is a wasteful number, since it uses less digits than its factorization.

1051278876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71818 (or 71813 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 1051278876 is about 32423.4309720609. The cubic root of 1051278876 is about 1016.8088385726.

It can be divided in two parts, 105127 and 8876, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 1051278876 in words is "one billion, fifty-one million, two hundred seventy-eight thousand, eight hundred seventy-six".