1250133355 has 4 divisors (see below), whose sum is σ = 1500160032. Its totient is φ = 1000106680.

The previous prime is 1250133343. The next prime is 1250133371. The reversal of 1250133355 is 5533310521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1250133355 - 2¹⁵ = 1250100587 is a prime.

It is a Duffinian 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, 125013331 + ... + 125013340.

It is an arithmetic number, because the mean of its divisors is an integer number (375040008).

Almost surely, 2^1250133355 is an apocalyptic number.

1250133355 is a deficient number, since it is larger than the sum of its proper divisors (250026677).

1250133355 is an equidigital number, since it uses as much as digits as its factorization.

1250133355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250026676.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 1250133355 is about 35357.2249335267. The cubic root of 1250133355 is about 1077.2556509388.

Adding to 1250133355 its reverse (5533310521), we get a palindrome (6783443876).

The spelling of 1250133355 in words is "one billion, two hundred fifty million, one hundred thirty-three thousand, three hundred fifty-five".