1229810450 has 48 divisors (see below), whose sum is σ = 2500956000. Its totient is φ = 446208000.

The previous prime is 1229810431. The next prime is 1229810501. The reversal of 1229810450 is 540189221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272210 + ... + 276690.

It is an arithmetic number, because the mean of its divisors is an integer number (52103250).

Almost surely, 2^1229810450 is an apocalyptic number.

1229810450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1229810450 is an abundant number, since it is smaller than the sum of its proper divisors (1271145550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229810450 is a wasteful number, since it uses less digits than its factorization.

1229810450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1229810450 is about 35068.6533816170. The cubic root of 1229810450 is about 1071.3862284642.

Adding to 1229810450 its reverse (540189221), we get a palindrome (1769999671).

The spelling of 1229810450 in words is "one billion, two hundred twenty-nine million, eight hundred ten thousand, four hundred fifty".