1302423122 has 64 divisors (see below), whose sum is σ = 2629767168. Its totient is φ = 467208000.

The previous prime is 1302423041. The next prime is 1302423127. The reversal of 1302423122 is 2213242031.

It is a junction number, because it is equal to n+sod(n) for n = 1302423094 and 1302423103.

It is not an unprimeable number, because it can be changed into a prime (1302423127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262747 + ... + 1263777.

It is an arithmetic number, because the mean of its divisors is an integer number (41090112).

Almost surely, 2^1302423122 is an apocalyptic number.

1302423122 is an abundant number, since it is smaller than the sum of its proper divisors (1327344046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1302423122 is a wasteful number, since it uses less digits than its factorization.

1302423122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1302423122 is about 36089.0997671042. The cubic root of 1302423122 is about 1092.0705591363.

Adding to 1302423122 its reverse (2213242031), we get a palindrome (3515665153).

It can be divided in two parts, 1302 and 423122, that added together give a palindrome (424424).

The spelling of 1302423122 in words is "one billion, three hundred two million, four hundred twenty-three thousand, one hundred twenty-two".