1051812 has 24 divisors (see below), whose sum is σ = 2727200. Its totient is φ = 350568.

The previous prime is 1051811. The next prime is 1051819. The reversal of 1051812 is 2181501.

It is a super-2 number, since 2×1051812² = 2212616966688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1051811) 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, 4762 + ... + 4977.

2^1051812 is an apocalyptic number.

1051812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1051812 is an abundant number, since it is smaller than the sum of its proper divisors (1675388).

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

1051812 is a wasteful number, since it uses less digits than its factorization.

1051812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752 (or 9744 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1051812 is about 1025.5788609366. The cubic root of 1051812 is about 101.6980690717.

The spelling of 1051812 in words is "one million, fifty-one thousand, eight hundred twelve".