1042521810 has 32 divisors (see below), whose sum is σ = 2729512512. Its totient is φ = 252732480.

The previous prime is 1042521769. The next prime is 1042521839. The reversal of 1042521810 is 181252401.

It is a super-2 number, since 2×1042521810² = 2173703448651352200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579249 + ... + 1579908.

It is an arithmetic number, because the mean of its divisors is an integer number (85297266).

Almost surely, 2^1042521810 is an apocalyptic number.

1042521810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042521810 is an abundant number, since it is smaller than the sum of its proper divisors (1686990702).

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

1042521810 is a wasteful number, since it uses less digits than its factorization.

1042521810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159178.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1042521810 is about 32288.1063241560. The cubic root of 1042521810 is about 1013.9776516283.

The spelling of 1042521810 in words is "one billion, forty-two million, five hundred twenty-one thousand, eight hundred ten".