1032406520 has 32 divisors (see below), whose sum is σ = 2423913120. Its totient is φ = 395007360.

The previous prime is 1032406519. The next prime is 1032406537. The reversal of 1032406520 is 256042301.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560171 + ... + 562010.

It is an arithmetic number, because the mean of its divisors is an integer number (75747285).

Almost surely, 2^1032406520 is an apocalyptic number.

1032406520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032406520 is an abundant number, since it is smaller than the sum of its proper divisors (1391506600).

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

1032406520 is a wasteful number, since it uses less digits than its factorization.

1032406520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122215 (or 1122211 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1032406520 is about 32131.0833928767. The cubic root of 1032406520 is about 1010.6875428383.

Adding to 1032406520 its reverse (256042301), we get a palindrome (1288448821).

The spelling of 1032406520 in words is "one billion, thirty-two million, four hundred six thousand, five hundred twenty".