1351020155 has 8 divisors (see below), whose sum is σ = 1621652832. Its totient is φ = 1080530368.

The previous prime is 1351020149. The next prime is 1351020169. The reversal of 1351020155 is 5510201531.

It is a happy number.

1351020155 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 1351020155 - 2¹² = 1351016059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351020155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13682 + ... + 53751.

It is an arithmetic number, because the mean of its divisors is an integer number (202706604).

Almost surely, 2^1351020155 is an apocalyptic number.

1351020155 is a deficient number, since it is larger than the sum of its proper divisors (270632677).

1351020155 is an equidigital number, since it uses as much as digits as its factorization.

1351020155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71445.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1351020155 is about 36756.2260712386. The cubic root of 1351020155 is about 1105.4877708422.

Adding to 1351020155 its reverse (5510201531), we get a palindrome (6861221686).

The spelling of 1351020155 in words is "one billion, three hundred fifty-one million, twenty thousand, one hundred fifty-five".