1051046878 has 16 divisors (see below), whose sum is σ = 1859917824. Its totient is φ = 435917880.

The previous prime is 1051046851. The next prime is 1051046891. The reversal of 1051046878 is 8786401501.

It is a super-2 number, since 2×1051046878² = 2209399079507093768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051046878.

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, 1210450 + ... + 1211317.

It is an arithmetic number, because the mean of its divisors is an integer number (116244864).

Almost surely, 2^1051046878 is an apocalyptic number.

1051046878 is a deficient number, since it is larger than the sum of its proper divisors (808870946).

1051046878 is a wasteful number, since it uses less digits than its factorization.

1051046878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421807.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 1051046878 is about 32419.8531458734. The cubic root of 1051046878 is about 1016.7340360385.

The spelling of 1051046878 in words is "one billion, fifty-one million, forty-six thousand, eight hundred seventy-eight".