1012229459 has 4 divisors (see below), whose sum is σ = 1033766304. Its totient is φ = 990692616.

The previous prime is 1012229441. The next prime is 1012229483. The reversal of 1012229459 is 9549222101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9549222101 = 67 ⋅142525703.

It is a cyclic number.

It is not a de Polignac number, because 1012229459 - 2²⁰ = 1011180883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012229489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10768352 + ... + 10768445.

It is an arithmetic number, because the mean of its divisors is an integer number (258441576).

Almost surely, 2^1012229459 is an apocalyptic number.

1012229459 is a deficient number, since it is larger than the sum of its proper divisors (21536845).

1012229459 is an equidigital number, since it uses as much as digits as its factorization.

1012229459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21536844.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1012229459 is about 31815.5537276974. The cubic root of 1012229459 is about 1004.0599805835.

The spelling of 1012229459 in words is "one billion, twelve million, two hundred twenty-nine thousand, four hundred fifty-nine".