1233102985 has 4 divisors (see below), whose sum is σ = 1479723588. Its totient is φ = 986482384.

The previous prime is 1233102971. The next prime is 1233103019. The reversal of 1233102985 is 5892013321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5892013321 = 36067 ⋅163363.

It can be written as a sum of positive squares in 2 ways, for example, as 211149961 + 1021953024 = 14531^2 + 31968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233102985 - 2⁵ = 1233102953 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 1233102985.

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, 123310294 + ... + 123310303.

It is an arithmetic number, because the mean of its divisors is an integer number (369930897).

Almost surely, 2^1233102985 is an apocalyptic number.

It is an amenable number.

1233102985 is a deficient number, since it is larger than the sum of its proper divisors (246620603).

1233102985 is an equidigital number, since it uses as much as digits as its factorization.

1233102985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246620602.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1233102985 is about 35115.5661352626. The cubic root of 1233102985 is about 1072.3415066367.

The spelling of 1233102985 in words is "one billion, two hundred thirty-three million, one hundred two thousand, nine hundred eighty-five".