1253331201 has 8 divisors (see below), whose sum is σ = 1671994944. Its totient is φ = 835110800.

The previous prime is 1253331199. The next prime is 1253331217. The reversal of 1253331201 is 1021333521.

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 1253331201 - 2¹ = 1253331199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253331221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104181 + ... + 115586.

It is an arithmetic number, because the mean of its divisors is an integer number (208999368).

Almost surely, 2^1253331201 is an apocalyptic number.

It is an amenable number.

1253331201 is a deficient number, since it is larger than the sum of its proper divisors (418663743).

1253331201 is a wasteful number, since it uses less digits than its factorization.

1253331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221671.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1253331201 is about 35402.4180106388. The cubic root of 1253331201 is about 1078.1734102253.

Adding to 1253331201 its reverse (1021333521), we get a palindrome (2274664722).

It can be divided in two parts, 12533 and 31201, that added together give a palindrome (43734).

The spelling of 1253331201 in words is "one billion, two hundred fifty-three million, three hundred thirty-one thousand, two hundred one".