1431020 has 12 divisors (see below), whose sum is σ = 3005184. Its totient is φ = 572400.

The previous prime is 1431013. The next prime is 1431029. The reversal of 1431020 is 201341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1430992 and 1431010.

It is not an unprimeable number, because it can be changed into a prime (1431029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35756 + ... + 35795.

It is an arithmetic number, because the mean of its divisors is an integer number (250432).

2^1431020 is an apocalyptic number.

1431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431020 is an abundant number, since it is smaller than the sum of its proper divisors (1574164).

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

1431020 is a wasteful number, since it uses less digits than its factorization.

1431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71560 (or 71558 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1431020 is about 1196.2524817111. The cubic root of 1431020 is about 112.6890976117.

Adding to 1431020 its reverse (201341), we get a palindrome (1632361).

The spelling of 1431020 in words is "one million, four hundred thirty-one thousand, twenty".