1421031 has 8 divisors (see below), whose sum is σ = 1905904. Its totient is φ = 941760.

The previous prime is 1421027. The next prime is 1421039. The reversal of 1421031 is 1301241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1421031 - 2² = 1421027 is a prime.

It is a super-2 number, since 2×1421031² = 4038658205922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420998 and 1421016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421039) 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, 766 + ... + 1851.

It is an arithmetic number, because the mean of its divisors is an integer number (238238).

2^1421031 is an apocalyptic number.

1421031 is a deficient number, since it is larger than the sum of its proper divisors (484873).

1421031 is a wasteful number, since it uses less digits than its factorization.

1421031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1421031 is about 1192.0700482774. The cubic root of 1421031 is about 112.4262825702.

Adding to 1421031 its reverse (1301241), we get a palindrome (2722272).

It can be divided in two parts, 14210 and 31, that added together give a palindrome (14241).

The spelling of 1421031 in words is "one million, four hundred twenty-one thousand, thirty-one".