1051099392 has 432 divisors, whose sum is σ = 3623864832. Its totient is φ = 268369920.

The previous prime is 1051099369. The next prime is 1051099421. The reversal of 1051099392 is 2939901501.

It is a super-4 number, since 4×1051099392⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1051099392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19832038 + ... + 19832090.

It is an arithmetic number, because the mean of its divisors is an integer number (8388576).

Almost surely, 2^1051099392 is an apocalyptic number.

1051099392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051099392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811932416).

1051099392 is an abundant number, since it is smaller than the sum of its proper divisors (2572765440).

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

1051099392 is a wasteful number, since it uses less digits than its factorization.

1051099392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 1051099392 is about 32420.6630407214. The cubic root of 1051099392 is about 1016.7509689597.

The spelling of 1051099392 in words is "one billion, fifty-one million, ninety-nine thousand, three hundred ninety-two".