1420377 has 16 divisors (see below), whose sum is σ = 2181120. Its totient is φ = 805392.

The previous prime is 1420373. The next prime is 1420399. The reversal of 1420377 is 7730241.

It is not a de Polignac number, because 1420377 - 2² = 1420373 is a prime.

1420377 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1420373) 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 in 15 ways as a sum of consecutive naturals, for example, 4878 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (136320).

2^1420377 is an apocalyptic number.

It is an amenable number.

1420377 is a deficient number, since it is larger than the sum of its proper divisors (760743).

1420377 is a wasteful number, since it uses less digits than its factorization.

1420377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1420377 is about 1191.7957039694. The cubic root of 1420377 is about 112.4090326366.

The spelling of 1420377 in words is "one million, four hundred twenty thousand, three hundred seventy-seven".