1253005122 has 64 divisors (see below), whose sum is σ = 2710033920. Its totient is φ = 384943104.

The previous prime is 1253005121. The next prime is 1253005129. The reversal of 1253005122 is 2215003521.

It is not an unprimeable number, because it can be changed into a prime (1253005121) 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, 2171298 + ... + 2171874.

It is an arithmetic number, because the mean of its divisors is an integer number (42344280).

Almost surely, 2^1253005122 is an apocalyptic number.

1253005122 is an abundant number, since it is smaller than the sum of its proper divisors (1457028798).

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

1253005122 is a wasteful number, since it uses less digits than its factorization.

1253005122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1253005122 is about 35397.8123900334. The cubic root of 1253005122 is about 1078.0798993744.

Adding to 1253005122 its reverse (2215003521), we get a palindrome (3468008643).

The spelling of 1253005122 in words is "one billion, two hundred fifty-three million, five thousand, one hundred twenty-two".