1054111878 has 12 divisors (see below), whose sum is σ = 2283909108. Its totient is φ = 351370620.

The previous prime is 1054111867. The next prime is 1054111889. The reversal of 1054111878 is 8781114501.

It is an interprime number because it is at equal distance from previous prime (1054111867) and next prime (1054111889).

It is a super-2 number, since 2×1054111878² = 2222303702681373768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29280868 + ... + 29280903.

It is an arithmetic number, because the mean of its divisors is an integer number (190325759).

Almost surely, 2^1054111878 is an apocalyptic number.

1054111878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1054111878 is an abundant number, since it is smaller than the sum of its proper divisors (1229797230).

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

1054111878 is a wasteful number, since it uses less digits than its factorization.

1054111878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58561779 (or 58561776 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The square root of 1054111878 is about 32467.0891519397. The cubic root of 1054111878 is about 1017.7213898868.

The spelling of 1054111878 in words is "one billion, fifty-four million, one hundred eleven thousand, eight hundred seventy-eight".