1142203641 has 8 divisors (see below), whose sum is σ = 1523094720. Its totient is φ = 761390832.

The previous prime is 1142203619. The next prime is 1142203651. The reversal of 1142203641 is 1463022411.

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

It is not a de Polignac number, because 1142203641 - 2¹⁵ = 1142170873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142203651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43851 + ... + 64863.

It is an arithmetic number, because the mean of its divisors is an integer number (190386840).

Almost surely, 2^1142203641 is an apocalyptic number.

It is an amenable number.

1142203641 is a deficient number, since it is larger than the sum of its proper divisors (380891079).

1142203641 is a wasteful number, since it uses less digits than its factorization.

1142203641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39135.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1142203641 is about 33796.5033842260. The cubic root of 1142203641 is about 1045.3165988971.

The spelling of 1142203641 in words is "one billion, one hundred forty-two million, two hundred three thousand, six hundred forty-one".