1229232041 has 4 divisors (see below), whose sum is σ = 1231098000. Its totient is φ = 1227366084.

The previous prime is 1229232007. The next prime is 1229232071. The reversal of 1229232041 is 1402329221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1402329221 = 499 ⋅2810279.

It is a cyclic number.

It is not a de Polignac number, because 1229232041 - 2¹⁸ = 1228969897 is a prime.

It is a super-2 number, since 2×1229232041² = 3022022821242051362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1229232041.

It is not an unprimeable number, because it can be changed into a prime (1229232001) 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, 931991 + ... + 933308.

It is an arithmetic number, because the mean of its divisors is an integer number (307774500).

Almost surely, 2^1229232041 is an apocalyptic number.

It is an amenable number.

1229232041 is a deficient number, since it is larger than the sum of its proper divisors (1865959).

1229232041 is an equidigital number, since it uses as much as digits as its factorization.

1229232041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865958.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1229232041 is about 35060.4056023315. The cubic root of 1229232041 is about 1071.2182360131.

The spelling of 1229232041 in words is "one billion, two hundred twenty-nine million, two hundred thirty-two thousand, forty-one".