1233120136 has 16 divisors (see below), whose sum is σ = 2391828300. Its totient is φ = 595299264.

The previous prime is 1233120067. The next prime is 1233120167. The reversal of 1233120136 is 6310213321.

It can be written as a sum of positive squares in 2 ways, for example, as 1232431236 + 688900 = 35106^2 + 830^2 .

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, 2657355 + ... + 2657818.

Almost surely, 2^1233120136 is an apocalyptic number.

It is an amenable number.

1233120136 is a deficient number, since it is larger than the sum of its proper divisors (1158708164).

1233120136 is a wasteful number, since it uses less digits than its factorization.

1233120136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315208 (or 5315204 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1233120136 is about 35115.8103423515. The cubic root of 1233120136 is about 1072.3464782798.

Adding to 1233120136 its reverse (6310213321), we get a palindrome (7543333457).

The spelling of 1233120136 in words is "one billion, two hundred thirty-three million, one hundred twenty thousand, one hundred thirty-six".