1049999120 has 40 divisors (see below), whose sum is σ = 2475645120. Its totient is φ = 414081920.

The previous prime is 1049999117. The next prime is 1049999123. The reversal of 1049999120 is 219999401.

It is an interprime number because it is at equal distance from previous prime (1049999117) and next prime (1049999123).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1049999120² = 2204996304001548800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049999123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86750 + ... + 98109.

It is an arithmetic number, because the mean of its divisors is an integer number (61891128).

Almost surely, 2^1049999120 is an apocalyptic number.

1049999120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049999120 is an abundant number, since it is smaller than the sum of its proper divisors (1425646000).

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

1049999120 is a wasteful number, since it uses less digits than its factorization.

1049999120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184943 (or 184937 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 1049999120 is about 32403.6899133417. The cubic root of 1049999120 is about 1016.3960728691.

The spelling of 1049999120 in words is "one billion, forty-nine million, nine hundred ninety-nine thousand, one hundred twenty".