1142039973 has 8 divisors (see below), whose sum is σ = 1602863200. Its totient is φ = 721288368.

The previous prime is 1142039909. The next prime is 1142040023. The reversal of 1142039973 is 3799302411.

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

It is not a de Polignac number, because 1142039973 - 2⁶ = 1142039909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142034973) 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, 10017838 + ... + 10017951.

It is an arithmetic number, because the mean of its divisors is an integer number (200357900).

Almost surely, 2^1142039973 is an apocalyptic number.

It is an amenable number.

1142039973 is a deficient number, since it is larger than the sum of its proper divisors (460823227).

1142039973 is a wasteful number, since it uses less digits than its factorization.

1142039973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035811.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 1142039973 is about 33794.0819227272. The cubic root of 1142039973 is about 1045.2666682067.

The spelling of 1142039973 in words is "one billion, one hundred forty-two million, thirty-nine thousand, nine hundred seventy-three".