1229502413 has 4 divisors (see below), whose sum is σ = 1235743740. Its totient is φ = 1223261088.

The previous prime is 1229502409. The next prime is 1229502431. The reversal of 1229502413 is 3142059221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 531855844 + 697646569 = 23062^2 + 26413^2 .

It is a cyclic number.

It is not a de Polignac number, because 1229502413 - 2² = 1229502409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229502403) 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, 3120368 + ... + 3120761.

It is an arithmetic number, because the mean of its divisors is an integer number (308935935).

Almost surely, 2^1229502413 is an apocalyptic number.

It is an amenable number.

1229502413 is a deficient number, since it is larger than the sum of its proper divisors (6241327).

1229502413 is an equidigital number, since it uses as much as digits as its factorization.

1229502413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241326.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1229502413 is about 35064.2611928442. The cubic root of 1229502413 is about 1071.2967691067.

The spelling of 1229502413 in words is "one billion, two hundred twenty-nine million, five hundred two thousand, four hundred thirteen".