1421026 has 4 divisors (see below), whose sum is σ = 2131542. Its totient is φ = 710512.

The previous prime is 1421011. The next prime is 1421027. The reversal of 1421026 is 6201241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6201241 = 181 ⋅34261.

It can be written as a sum of positive squares in only one way, i.e., 1380625 + 40401 = 1175^2 + 201^2 .

It is not an unprimeable number, because it can be changed into a prime (1421027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355255 + ... + 355258.

2^1421026 is an apocalyptic number.

1421026 is a deficient number, since it is larger than the sum of its proper divisors (710516).

1421026 is an equidigital number, since it uses as much as digits as its factorization.

1421026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710515.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1421026 is about 1192.0679510833. The cubic root of 1421026 is about 112.4261507101.

Adding to 1421026 its reverse (6201241), we get a palindrome (7622267).

The spelling of 1421026 in words is "one million, four hundred twenty-one thousand, twenty-six".