1051798 has 8 divisors (see below), whose sum is σ = 1721160. Its totient is φ = 478080.

The previous prime is 1051789. The next prime is 1051811. The reversal of 1051798 is 8971501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1051798² = 2212558065608, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23883 + ... + 23926.

It is an arithmetic number, because the mean of its divisors is an integer number (215145).

2^1051798 is an apocalyptic number.

1051798 is a deficient number, since it is larger than the sum of its proper divisors (669362).

1051798 is a wasteful number, since it uses less digits than its factorization.

1051798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47822.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1051798 is about 1025.5720355002. The cubic root of 1051798 is about 101.6976178569.

It can be divided in two parts, 1051 and 798, that added together give a square (1849 = 43²).

The spelling of 1051798 in words is "one million, fifty-one thousand, seven hundred ninety-eight".