1201226430 has 32 divisors (see below), whose sum is σ = 2931811200. Its totient is φ = 314897312.

The previous prime is 1201226413. The next prime is 1201226441. The reversal of 1201226430 is 346221021.

It is a super-2 number, since 2×1201226430² = 2885889872261089800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201226397 and 1201226406.

It is a congruent 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, 337560 + ... + 341099.

It is an arithmetic number, because the mean of its divisors is an integer number (91619100).

Almost surely, 2^1201226430 is an apocalyptic number.

1201226430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201226430 is an abundant number, since it is smaller than the sum of its proper divisors (1730584770).

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

1201226430 is a wasteful number, since it uses less digits than its factorization.

1201226430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678728.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1201226430 is about 34658.7136229838. The cubic root of 1201226430 is about 1063.0204671291.

Adding to 1201226430 its reverse (346221021), we get a palindrome (1547447451).

The spelling of 1201226430 in words is "one billion, two hundred one million, two hundred twenty-six thousand, four hundred thirty".