1124142145 has 16 divisors (see below), whose sum is σ = 1542279168. Its totient is φ = 770541120.

The previous prime is 1124142133. The next prime is 1124142157. The reversal of 1124142145 is 5412414211.

It is an interprime number because it is at equal distance from previous prime (1124142133) and next prime (1124142157).

It is not a de Polignac number, because 1124142145 - 2¹³ = 1124133953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122880 + ... + 131710.

It is an arithmetic number, because the mean of its divisors is an integer number (96392448).

Almost surely, 2^1124142145 is an apocalyptic number.

It is an amenable number.

1124142145 is a deficient number, since it is larger than the sum of its proper divisors (418137023).

1124142145 is an equidigital number, since it uses as much as digits as its factorization.

1124142145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12480.

The product of its digits is 1280, while the sum is 25.

The square root of 1124142145 is about 33528.2290764066. The cubic root of 1124142145 is about 1039.7774872207. Note that the first 3 decimals are identical.

Adding to 1124142145 its reverse (5412414211), we get a palindrome (6536556356).

The spelling of 1124142145 in words is "one billion, one hundred twenty-four million, one hundred forty-two thousand, one hundred forty-five".