1335245123 has 4 divisors (see below), whose sum is σ = 1352147040. Its totient is φ = 1318343208.

The previous prime is 1335245111. The next prime is 1335245179. The reversal of 1335245123 is 3215425331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1335245123 - 2²⁰ = 1334196547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1335245323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8450840 + ... + 8450997.

It is an arithmetic number, because the mean of its divisors is an integer number (338036760).

Almost surely, 2^1335245123 is an apocalyptic number.

1335245123 is a deficient number, since it is larger than the sum of its proper divisors (16901917).

1335245123 is an equidigital number, since it uses as much as digits as its factorization.

1335245123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16901916.

The product of its digits is 10800, while the sum is 29.

The square root of 1335245123 is about 36541.0060480004. The cubic root of 1335245123 is about 1101.1682142740.

The spelling of 1335245123 in words is "one billion, three hundred thirty-five million, two hundred forty-five thousand, one hundred twenty-three".