1422137 has 4 divisors (see below), whose sum is σ = 1435536. Its totient is φ = 1408740.

The previous prime is 1422133. The next prime is 1422163. The reversal of 1422137 is 7312241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7312241 = 2273 ⋅3217.

It is a cyclic number.

It is not a de Polignac number, because 1422137 - 2² = 1422133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422133) 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, 6539 + ... + 6752.

It is an arithmetic number, because the mean of its divisors is an integer number (358884).

2^1422137 is an apocalyptic number.

It is an amenable number.

1422137 is a deficient number, since it is larger than the sum of its proper divisors (13399).

1422137 is a wasteful number, since it uses less digits than its factorization.

1422137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13398.

The product of its digits is 336, while the sum is 20.

The square root of 1422137 is about 1192.5338569617. The cubic root of 1422137 is about 112.4554424368.

Adding to 1422137 its reverse (7312241), we get a palindrome (8734378).

The spelling of 1422137 in words is "one million, four hundred twenty-two thousand, one hundred thirty-seven".