1253122455320 has 16 divisors (see below), whose sum is σ = 2819525524560. Its totient is φ = 501248982112.

The previous prime is 1253122455313. The next prime is 1253122455367. The reversal of 1253122455320 is 235542213521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15664030652 + ... + 15664030731.

It is an arithmetic number, because the mean of its divisors is an integer number (176220345285).

Almost surely, 2^{1253122455320} is an apocalyptic number.

1253122455320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253122455320 is an abundant number, since it is smaller than the sum of its proper divisors (1566403069240).

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

1253122455320 is a wasteful number, since it uses less digits than its factorization.

1253122455320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31328061394 (or 31328061390 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1253122455320 its reverse (235542213521), we get a palindrome (1488664668841).

The spelling of 1253122455320 in words is "one trillion, two hundred fifty-three billion, one hundred twenty-two million, four hundred fifty-five thousand, three hundred twenty".