1142351425 has 12 divisors (see below), whose sum is σ = 1419800620. Its totient is φ = 911761920.

The previous prime is 1142351423. The next prime is 1142351429. The reversal of 1142351425 is 5241532411.

It can be written as a sum of positive squares in 6 ways, for example, as 422878096 + 719473329 = 20564^2 + 26823^2 .

It is not a de Polignac number, because 1142351425 - 2¹ = 1142351423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142351393 and 1142351402.

It is not an unprimeable number, because it can be changed into a prime (1142351423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41940 + ... + 63589.

Almost surely, 2^1142351425 is an apocalyptic number.

It is an amenable number.

1142351425 is a deficient number, since it is larger than the sum of its proper divisors (277449195).

1142351425 is a wasteful number, since it uses less digits than its factorization.

1142351425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105972 (or 105967 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1142351425 is about 33798.6896935369. The cubic root of 1142351425 is about 1045.3616797101.

Adding to 1142351425 its reverse (5241532411), we get a palindrome (6383883836).

The spelling of 1142351425 in words is "one billion, one hundred forty-two million, three hundred fifty-one thousand, four hundred twenty-five".