1255330101 has 8 divisors (see below), whose sum is σ = 1677437824. Its totient is φ = 835054560.

The previous prime is 1255330073. The next prime is 1255330123. The reversal of 1255330101 is 1010335521.

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

It is not a de Polignac number, because 1255330101 - 2¹³ = 1255321909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255330301) 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, 456445 + ... + 459186.

It is an arithmetic number, because the mean of its divisors is an integer number (209679728).

Almost surely, 2^1255330101 is an apocalyptic number.

It is an amenable number.

1255330101 is a deficient number, since it is larger than the sum of its proper divisors (422107723).

1255330101 is an equidigital number, since it uses as much as digits as its factorization.

1255330101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916091.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1255330101 is about 35430.6378858750. The cubic root of 1255330101 is about 1078.7462878250.

Adding to 1255330101 its reverse (1010335521), we get a palindrome (2265665622).

The spelling of 1255330101 in words is "one billion, two hundred fifty-five million, three hundred thirty thousand, one hundred one".