1049866100 has 36 divisors (see below), whose sum is σ = 2283293964. Its totient is φ = 419009280.

The previous prime is 1049866099. The next prime is 1049866117. The reversal of 1049866100 is 16689401.

It can be written as a sum of positive squares in 6 ways, for example, as 10061584 + 1039804516 = 3172^2 + 32246^2 .

It is a super-2 number, since 2×1049866100² = 2204437655858420000, 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34214 + ... + 57186.

Almost surely, 2^1049866100 is an apocalyptic number.

1049866100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049866100 is an abundant number, since it is smaller than the sum of its proper divisors (1233427864).

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

1049866100 is a wasteful number, since it uses less digits than its factorization.

1049866100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23444 (or 23437 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1049866100 is about 32401.6373043092. The cubic root of 1049866100 is about 1016.3531500664.

The spelling of 1049866100 in words is "one billion, forty-nine million, eight hundred sixty-six thousand, one hundred".