1142203059 has 8 divisors (see below), whose sum is σ = 1692152720. Its totient is φ = 761468688.

The previous prime is 1142203037. The next prime is 1142203079. The reversal of 1142203059 is 9503022411.

It is not a de Polignac number, because 1142203059 - 2¹⁵ = 1142170291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42303817 = 1142203059 / (1 + 1 + 4 + 2 + 2 + 0 + 3 + 0 + 5 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142203009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21151882 + ... + 21151935.

It is an arithmetic number, because the mean of its divisors is an integer number (211519090).

Almost surely, 2^1142203059 is an apocalyptic number.

1142203059 is a deficient number, since it is larger than the sum of its proper divisors (549949661).

1142203059 is an equidigital number, since it uses as much as digits as its factorization.

1142203059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42303826 (or 42303820 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1142203059 is about 33796.4947738667. The cubic root of 1142203059 is about 1045.3164213531.

The spelling of 1142203059 in words is "one billion, one hundred forty-two million, two hundred three thousand, fifty-nine".