1421277 has 16 divisors (see below), whose sum is σ = 2227008. Its totient is φ = 794880.

The previous prime is 1421267. The next prime is 1421291. The reversal of 1421277 is 7721241.

It is not a de Polignac number, because 1421277 - 2⁶ = 1421213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (139188).

2^1421277 is an apocalyptic number.

It is an amenable number.

1421277 is a deficient number, since it is larger than the sum of its proper divisors (805731).

1421277 is a wasteful number, since it uses less digits than its factorization.

1421277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340.

The product of its digits is 784, while the sum is 24.

The square root of 1421277 is about 1192.1732256681. The cubic root of 1421277 is about 112.4327697075.

The spelling of 1421277 in words is "one million, four hundred twenty-one thousand, two hundred seventy-seven".