1420977 has 4 divisors (see below), whose sum is σ = 1894640. Its totient is φ = 947316.

The previous prime is 1420967. The next prime is 1420981. The reversal of 1420977 is 7790241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1420977 - 2⁸ = 1420721 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236827 + ... + 236832.

It is an arithmetic number, because the mean of its divisors is an integer number (473660).

2^1420977 is an apocalyptic number.

It is an amenable number.

1420977 is a deficient number, since it is larger than the sum of its proper divisors (473663).

1420977 is an equidigital number, since it uses as much as digits as its factorization.

1420977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473662.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1420977 is about 1192.0473983865. The cubic root of 1420977 is about 112.4248584643.

The spelling of 1420977 in words is "one million, four hundred twenty thousand, nine hundred seventy-seven".