1020432 has 40 divisors (see below), whose sum is σ = 3013696. Its totient is φ = 291456.

The previous prime is 1020431. The next prime is 1020451. The reversal of 1020432 is 2340201.

1020432 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1020431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183 + ... + 1854.

2^1020432 is an apocalyptic number.

1020432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020432 is an abundant number, since it is smaller than the sum of its proper divisors (1993264).

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

1020432 is a wasteful number, since it uses less digits than its factorization.

1020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1020432 is about 1010.1643430650. The cubic root of 1020432 is about 100.6764800943.

Adding to 1020432 its reverse (2340201), we get a palindrome (3360633).

The spelling of 1020432 in words is "one million, twenty thousand, four hundred thirty-two".