1051530 has 16 divisors (see below), whose sum is σ = 2523744. Its totient is φ = 280400.

The previous prime is 1051507. The next prime is 1051543. The reversal of 1051530 is 351501.

It is a super-2 number, since 2×1051530² = 2211430681800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 17496 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (157734).

2^1051530 is an apocalyptic number.

1051530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051530 is an abundant number, since it is smaller than the sum of its proper divisors (1472214).

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

1051530 is a wasteful number, since it uses less digits than its factorization.

1051530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35061.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 1051530 is about 1025.4413683873. The cubic root of 1051530 is about 101.6889795453.

The spelling of 1051530 in words is "one million, fifty-one thousand, five hundred thirty".