1233155552 has 24 divisors (see below), whose sum is σ = 2451352176. Its totient is φ = 610589952.

The previous prime is 1233155533. The next prime is 1233155563. The reversal of 1233155552 is 2555513321.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 183773 + ... + 190364.

It is an arithmetic number, because the mean of its divisors is an integer number (102139674).

Almost surely, 2^1233155552 is an apocalyptic number.

It is an amenable number.

1233155552 is a deficient number, since it is larger than the sum of its proper divisors (1218196624).

1233155552 is a wasteful number, since it uses less digits than its factorization.

1233155552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374250 (or 374242 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 1233155552 is about 35116.3146130114. The cubic root of 1233155552 is about 1072.3567443408.

Adding to 1233155552 its reverse (2555513321), we get a palindrome (3788668873).

The spelling of 1233155552 in words is "one billion, two hundred thirty-three million, one hundred fifty-five thousand, five hundred fifty-two".