1422971 has 4 divisors (see below), whose sum is σ = 1552344. Its totient is φ = 1293600.

The previous prime is 1422961. The next prime is 1422973. The reversal of 1422971 is 1792241.

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

It is not a de Polignac number, because 1422971 - 2⁶ = 1422907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422973) 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, 64670 + ... + 64691.

It is an arithmetic number, because the mean of its divisors is an integer number (388086).

2^1422971 is an apocalyptic number.

1422971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1422971 is a deficient number, since it is larger than the sum of its proper divisors (129373).

1422971 is a wasteful number, since it uses less digits than its factorization.

1422971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129372.

The product of its digits is 1008, while the sum is 26.

The square root of 1422971 is about 1192.8834813174. The cubic root of 1422971 is about 112.4774209830.

It can be divided in two parts, 142 and 2971, that added together give a palindrome (3113).

The spelling of 1422971 in words is "one million, four hundred twenty-two thousand, nine hundred seventy-one".