1421235150 has 48 divisors (see below), whose sum is σ = 3710179200. Its totient is φ = 359048160.

The previous prime is 1421235089. The next prime is 1421235197. The reversal of 1421235150 is 515321241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421235150.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246490 + ... + 252189.

It is an arithmetic number, because the mean of its divisors is an integer number (77295400).

Almost surely, 2^1421235150 is an apocalyptic number.

1421235150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421235150 is an abundant number, since it is smaller than the sum of its proper divisors (2288944050).

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

1421235150 is a wasteful number, since it uses less digits than its factorization.

1421235150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498713 (or 498708 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1421235150 is about 37699.2725394005. The cubic root of 1421235150 is about 1124.3166615593.

Adding to 1421235150 its reverse (515321241), we get a palindrome (1936556391).

The spelling of 1421235150 in words is "one billion, four hundred twenty-one million, two hundred thirty-five thousand, one hundred fifty".