1051988 has 12 divisors (see below), whose sum is σ = 2104032. Its totient is φ = 450840.

The previous prime is 1051987. The next prime is 1051991. The reversal of 1051988 is 8891501.

It is a happy number.

1051988 is nontrivially palindromic in base 13.

1051988 is an admirable number.

It is a super-5 number, since 5×1051988⁵ (a number of 31 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051987) by changing a digit.

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, 18758 + ... + 18813.

It is an arithmetic number, because the mean of its divisors is an integer number (175336).

2^1051988 is an apocalyptic number.

It is an amenable number.

1051988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1051988 is a wasteful number, since it uses less digits than its factorization.

1051988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37582 (or 37580 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1051988 is about 1025.6646625481. The cubic root of 1051988 is about 101.7037411442.

The spelling of 1051988 in words is "one million, fifty-one thousand, nine hundred eighty-eight".