1142425025 has 24 divisors (see below), whose sum is σ = 1658477184. Its totient is φ = 764265600.

The previous prime is 1142425021. The next prime is 1142425057. The reversal of 1142425025 is 5205242411.

It is not a de Polignac number, because 1142425025 - 2² = 1142425021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142424985 and 1142425003.

It is not an unprimeable number, because it can be changed into a prime (1142425021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72437 + ... + 86786.

It is an arithmetic number, because the mean of its divisors is an integer number (69103216).

Almost surely, 2^1142425025 is an apocalyptic number.

It is an amenable number.

1142425025 is a deficient number, since it is larger than the sum of its proper divisors (516052159).

1142425025 is a wasteful number, since it uses less digits than its factorization.

1142425025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159281 (or 159276 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1142425025 is about 33799.7784756054. The cubic root of 1142425025 is about 1045.3841295931.

Adding to 1142425025 its reverse (5205242411), we get a palindrome (6347667436).

The spelling of 1142425025 in words is "one billion, one hundred forty-two million, four hundred twenty-five thousand, twenty-five".