1233142000 has 80 divisors (see below), whose sum is σ = 2989344384. Its totient is φ = 492000000.

The previous prime is 1233141997. The next prime is 1233142007. The reversal of 1233142000 is 2413321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233142007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501590 + ... + 1502410.

Almost surely, 2^1233142000 is an apocalyptic number.

1233142000 is a gapful number since it is divisible by the number (10) 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 1233142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494672192).

1233142000 is an abundant number, since it is smaller than the sum of its proper divisors (1756202384).

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

1233142000 is an equidigital number, since it uses as much as digits as its factorization.

1233142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1233142000 is about 35116.1216537362. The cubic root of 1233142000 is about 1072.3528160362.

Adding to 1233142000 its reverse (2413321), we get a palindrome (1235555321).

The spelling of 1233142000 in words is "one billion, two hundred thirty-three million, one hundred forty-two thousand".