1421874 has 40 divisors (see below), whose sum is σ = 3258288. Its totient is φ = 463320.

The previous prime is 1421867. The next prime is 1421909. The reversal of 1421874 is 4781241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10789 + ... + 10919.

2^1421874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629144).

1421874 is an abundant number, since it is smaller than the sum of its proper divisors (1836414).

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

1421874 is a wasteful number, since it uses less digits than its factorization.

1421874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 203 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1421874 is about 1192.4235824572. The cubic root of 1421874 is about 112.4485097703.

It can be divided in two parts, 142 and 1874, that added together give a triangular number (2016 = T₆₃).

The spelling of 1421874 in words is "one million, four hundred twenty-one thousand, eight hundred seventy-four".