1253214020 has 12 divisors (see below), whose sum is σ = 2631749484. Its totient is φ = 501285600.

The previous prime is 1253213993. The next prime is 1253214031. The reversal of 1253214020 is 204123521.

It can be written as a sum of positive squares in 2 ways, for example, as 281769796 + 971444224 = 16786^2 + 31168^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 62660701 = 1253214020 / (1 + 2 + 5 + 3 + 2 + 1 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1253213983 and 1253214001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31330331 + ... + 31330370.

It is an arithmetic number, because the mean of its divisors is an integer number (219312457).

Almost surely, 2^1253214020 is an apocalyptic number.

1253214020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253214020 is an abundant number, since it is smaller than the sum of its proper divisors (1378535464).

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

1253214020 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 1253214020 = (3210125402)₉.

1253214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62660710 (or 62660708 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1253214020 is about 35400.7629861279. The cubic root of 1253214020 is about 1078.1398076745.

Adding to 1253214020 its reverse (204123521), we get a palindrome (1457337541).

The spelling of 1253214020 in words is "one billion, two hundred fifty-three million, two hundred fourteen thousand, twenty".