1422154123 has 16 divisors (see below), whose sum is σ = 1615209120. Its totient is φ = 1241312256.

The previous prime is 1422154117. The next prime is 1422154133. The reversal of 1422154123 is 3214512241.

It is not a de Polignac number, because 1422154123 - 2²⁵ = 1388599691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422154133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132411 + ... + 142747.

It is an arithmetic number, because the mean of its divisors is an integer number (100950570).

Almost surely, 2^1422154123 is an apocalyptic number.

1422154123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1422154123 is a deficient number, since it is larger than the sum of its proper divisors (193054997).

1422154123 is a wasteful number, since it uses less digits than its factorization.

1422154123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10926.

The product of its digits is 1920, while the sum is 25.

The square root of 1422154123 is about 37711.4587758151. The cubic root of 1422154123 is about 1124.5589376861.

Adding to 1422154123 its reverse (3214512241), we get a palindrome (4636666364).

The spelling of 1422154123 in words is "one billion, four hundred twenty-two million, one hundred fifty-four thousand, one hundred twenty-three".