1142873011 has 12 divisors (see below), whose sum is σ = 1352001240. Its totient is φ = 962999520.

The previous prime is 1142872987. The next prime is 1142873023. The reversal of 1142873011 is 1103782411.

It is not a de Polignac number, because 1142873011 - 2²¹ = 1140775859 is a prime.

It is a super-2 number, since 2×1142873011² = 2612317438544412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142873411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194770 + ... + 200551.

It is an arithmetic number, because the mean of its divisors is an integer number (112666770).

Almost surely, 2^1142873011 is an apocalyptic number.

1142873011 is a deficient number, since it is larger than the sum of its proper divisors (209128229).

1142873011 is an equidigital number, since it uses as much as digits as its factorization.

1142873011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395394 (or 395387 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1142873011 is about 33806.4048813239. The cubic root of 1142873011 is about 1045.5207559925.

The spelling of 1142873011 in words is "one billion, one hundred forty-two million, eight hundred seventy-three thousand, eleven".