1201411420 has 288 divisors, whose sum is σ = 3257755200. Its totient is φ = 369008640.

The previous prime is 1201411411. The next prime is 1201411433. The reversal of 1201411420 is 241141021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201411394 and 1201411403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22668114 + ... + 22668166.

It is an arithmetic number, because the mean of its divisors is an integer number (11311650).

Almost surely, 2^1201411420 is an apocalyptic number.

1201411420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201411420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628877600).

1201411420 is an abundant number, since it is smaller than the sum of its proper divisors (2056343780).

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

1201411420 is a wasteful number, since it uses less digits than its factorization.

1201411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1201411420 is about 34661.3822574923. The cubic root of 1201411420 is about 1063.0750330453.

Adding to 1201411420 its reverse (241141021), we get a palindrome (1442552441).

The spelling of 1201411420 in words is "one billion, two hundred one million, four hundred eleven thousand, four hundred twenty".