1051434 has 16 divisors (see below), whose sum is σ = 2336640. Its totient is φ = 350460.

The previous prime is 1051423. The next prime is 1051459. The reversal of 1051434 is 4341501.

It is a happy number.

It is a super-2 number, since 2×1051434² = 2211026912712, which contains 22 as substring.

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

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 7 ways as a sum of consecutive naturals, for example, 9682 + ... + 9789.

It is an arithmetic number, because the mean of its divisors is an integer number (146040).

2^1051434 is an apocalyptic number.

1051434 is an abundant number, since it is smaller than the sum of its proper divisors (1285206).

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

1051434 is a wasteful number, since it uses less digits than its factorization.

1051434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19482 (or 19476 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1051434 is about 1025.3945582067. The cubic root of 1051434 is about 101.6858848676.

Adding to 1051434 its reverse (4341501), we get a palindrome (5392935).

It can be divided in two parts, 1051 and 434, that added together give a triangular number (1485 = T₅₄).

The spelling of 1051434 in words is "one million, fifty-one thousand, four hundred thirty-four".