1421974 has 4 divisors (see below), whose sum is σ = 2132964. Its totient is φ = 710986.

The previous prime is 1421969. The next prime is 1421977. The reversal of 1421974 is 4791241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355492 + ... + 355495.

It is an arithmetic number, because the mean of its divisors is an integer number (533241).

2^1421974 is an apocalyptic number.

1421974 is a deficient number, since it is larger than the sum of its proper divisors (710990).

1421974 is an equidigital number, since it uses as much as digits as its factorization.

1421974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710989.

The product of its digits is 2016, while the sum is 28.

The square root of 1421974 is about 1192.4655131282. The cubic root of 1421974 is about 112.4511458659.

It can be divided in two parts, 142 and 1974, that added together give a square (2116 = 46²).

The spelling of 1421974 in words is "one million, four hundred twenty-one thousand, nine hundred seventy-four".