1422635121 has 6 divisors (see below), whose sum is σ = 2054917410. Its totient is φ = 948423408.

The previous prime is 1422635099. The next prime is 1422635131. The reversal of 1422635121 is 1215362241.

1422635121 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 635 + 1 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1419782400 + 2852721 = 37680^2 + 1689^2 .

It is not a de Polignac number, because 1422635121 - 2¹⁰ = 1422634097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422635131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79035276 + ... + 79035293.

It is an arithmetic number, because the mean of its divisors is an integer number (342486235).

Almost surely, 2^1422635121 is an apocalyptic number.

It is an amenable number.

1422635121 is a deficient number, since it is larger than the sum of its proper divisors (632282289).

1422635121 is a wasteful number, since it uses less digits than its factorization.

1422635121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158070575 (or 158070572 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1422635121 is about 37717.8355821222. The cubic root of 1422635121 is about 1124.6857053879.

Adding to 1422635121 its reverse (1215362241), we get a palindrome (2637997362).

The spelling of 1422635121 in words is "one billion, four hundred twenty-two million, six hundred thirty-five thousand, one hundred twenty-one".