1233278952 has 128 divisors (see below), whose sum is σ = 3359784960. Its totient is φ = 376104960.

The previous prime is 1233278951. The next prime is 1233278971. The reversal of 1233278952 is 2598723321.

It is not an unprimeable number, because it can be changed into a prime (1233278951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1659493 + ... + 1660235.

It is an arithmetic number, because the mean of its divisors is an integer number (26248320).

Almost surely, 2^1233278952 is an apocalyptic number.

1233278952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233278952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679892480).

1233278952 is an abundant number, since it is smaller than the sum of its proper divisors (2126506008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233278952 is a wasteful number, since it uses less digits than its factorization.

1233278952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 899 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 1233278952 is about 35118.0715871473. The cubic root of 1233278952 is about 1072.3925128503.

The spelling of 1233278952 in words is "one billion, two hundred thirty-three million, two hundred seventy-eight thousand, nine hundred fifty-two".