1422761 has 4 divisors (see below), whose sum is σ = 1461252. Its totient is φ = 1384272.

The previous prime is 1422749. The next prime is 1422763. The reversal of 1422761 is 1672241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1672241 = 233 ⋅7177.

It can be written as a sum of positive squares in 2 ways, for example, as 1038361 + 384400 = 1019^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422761 - 2¹⁰ = 1421737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422763) 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, 19190 + ... + 19263.

It is an arithmetic number, because the mean of its divisors is an integer number (365313).

2^1422761 is an apocalyptic number.

It is an amenable number.

1422761 is a deficient number, since it is larger than the sum of its proper divisors (38491).

1422761 is an equidigital number, since it uses as much as digits as its factorization.

1422761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38490.

The product of its digits is 672, while the sum is 23.

The square root of 1422761 is about 1192.7954560611. The cubic root of 1422761 is about 112.4718876259.

The spelling of 1422761 in words is "one million, four hundred twenty-two thousand, seven hundred sixty-one".