1355120853 has 8 divisors (see below), whose sum is σ = 1827129600. Its totient is φ = 893263008.

The previous prime is 1355120783. The next prime is 1355120863. The reversal of 1355120853 is 3580215531.

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

It is not a de Polignac number, because 1355120853 - 2⁹ = 1355120341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355120863) 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, 2537413 + ... + 2537946.

It is an arithmetic number, because the mean of its divisors is an integer number (228391200).

Almost surely, 2^1355120853 is an apocalyptic number.

It is an amenable number.

1355120853 is a deficient number, since it is larger than the sum of its proper divisors (472008747).

1355120853 is an equidigital number, since it uses as much as digits as its factorization.

1355120853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075451.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1355120853 is about 36811.9661659086. The cubic root of 1355120853 is about 1106.6051222105.

The spelling of 1355120853 in words is "one billion, three hundred fifty-five million, one hundred twenty thousand, eight hundred fifty-three".