1052171800 has 48 divisors (see below), whose sum is σ = 2552671440. Its totient is φ = 402568320.

The previous prime is 1052171753. The next prime is 1052171821. The reversal of 1052171800 is 81712501.

It is a super-2 number, since 2×1052171800² = 2214130993430480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109767 + ... + 118966.

It is an arithmetic number, because the mean of its divisors is an integer number (53180655).

Almost surely, 2^1052171800 is an apocalyptic number.

1052171800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052171800 is an abundant number, since it is smaller than the sum of its proper divisors (1500499640).

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

1052171800 is a wasteful number, since it uses less digits than its factorization.

1052171800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228772 (or 228763 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1052171800 is about 32437.1977827925. The cubic root of 1052171800 is about 1017.0966391745.

The spelling of 1052171800 in words is "one billion, fifty-two million, one hundred seventy-one thousand, eight hundred".