1247250053 has 8 divisors (see below), whose sum is σ = 1460195520. Its totient is φ = 1042996320.

The previous prime is 1247250031. The next prime is 1247250061. The reversal of 1247250053 is 3500527421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1247250053 - 2⁸ = 1247249797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1247249998 and 1247250025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247250013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2172623 + ... + 2173196.

It is an arithmetic number, because the mean of its divisors is an integer number (182524440).

Almost surely, 2^1247250053 is an apocalyptic number.

It is an amenable number.

1247250053 is a deficient number, since it is larger than the sum of its proper divisors (212945467).

1247250053 is an equidigital number, since it uses as much as digits as its factorization.

1247250053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345867.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 1247250053 is about 35316.4275231796. The cubic root of 1247250053 is about 1076.4268208640.

Adding to 1247250053 its reverse (3500527421), we get a palindrome (4747777474).

The spelling of 1247250053 in words is "one billion, two hundred forty-seven million, two hundred fifty thousand, fifty-three".