1142425401 has 8 divisors (see below), whose sum is σ = 1640405760. Its totient is φ = 703030992.

The previous prime is 1142425393. The next prime is 1142425481. The reversal of 1142425401 is 1045242411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142425401 - 2³ = 1142425393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142425481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14646441 + ... + 14646518.

It is an arithmetic number, because the mean of its divisors is an integer number (205050720).

Almost surely, 2^1142425401 is an apocalyptic number.

It is an amenable number.

1142425401 is a deficient number, since it is larger than the sum of its proper divisors (497980359).

1142425401 is a wasteful number, since it uses less digits than its factorization.

1142425401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29292975.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1142425401 is about 33799.7840377716. The cubic root of 1142425401 is about 1045.3842442802.

Adding to 1142425401 its reverse (1045242411), we get a palindrome (2187667812).

The spelling of 1142425401 in words is "one billion, one hundred forty-two million, four hundred twenty-five thousand, four hundred one".