1051442 has 12 divisors (see below), whose sum is σ = 1834830. Its totient is φ = 450576.

The previous prime is 1051423. The next prime is 1051459. The reversal of 1051442 is 2441501.

1051442 is nontrivially palindromic in base 5.

1051442 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 790321 + 261121 = 889^2 + 511^2 .

It is a super-2 number, since 2×1051442² = 2211060558728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051442.

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 5 ways as a sum of consecutive naturals, for example, 5267 + ... + 5462.

2^1051442 is an apocalyptic number.

1051442 is a deficient number, since it is larger than the sum of its proper divisors (783388).

1051442 is a wasteful number, since it uses less digits than its factorization.

1051442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10745 (or 10738 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1051442 is about 1025.3984591367. The cubic root of 1051442 is about 101.6861427646.

Adding to 1051442 its reverse (2441501), we get a palindrome (3492943).

The spelling of 1051442 in words is "one million, fifty-one thousand, four hundred forty-two".