1051463778 has 32 divisors (see below), whose sum is σ = 2204338752. Its totient is φ = 333984000.

The previous prime is 1051463729. The next prime is 1051463783. The reversal of 1051463778 is 8773641501.

It is a super-2 number, since 2×1051463778² = 2211152152892066568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39123 + ... + 60278.

It is an arithmetic number, because the mean of its divisors is an integer number (68885586).

Almost surely, 2^1051463778 is an apocalyptic number.

1051463778 is an abundant number, since it is smaller than the sum of its proper divisors (1152874974).

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

1051463778 is a wasteful number, since it uses less digits than its factorization.

1051463778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99490.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1051463778 is about 32426.2822105773. The cubic root of 1051463778 is about 1016.8684481810.

The spelling of 1051463778 in words is "one billion, fifty-one million, four hundred sixty-three thousand, seven hundred seventy-eight".