1233025142 has 4 divisors (see below), whose sum is σ = 1849537716. Its totient is φ = 616512570.

The previous prime is 1233025133. The next prime is 1233025163. The reversal of 1233025142 is 2415203321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2415203321 = 73 ⋅33084977.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308256284 + ... + 308256287.

It is an arithmetic number, because the mean of its divisors is an integer number (462384429).

Almost surely, 2^1233025142 is an apocalyptic number.

1233025142 is a deficient number, since it is larger than the sum of its proper divisors (616512574).

1233025142 is an equidigital number, since it uses as much as digits as its factorization.

1233025142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616512573.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1233025142 is about 35114.4577346711. The cubic root of 1233025142 is about 1072.3189413313.

Adding to 1233025142 its reverse (2415203321), we get a palindrome (3648228463).

The spelling of 1233025142 in words is "one billion, two hundred thirty-three million, twenty-five thousand, one hundred forty-two".