1421101434 has 48 divisors (see below), whose sum is σ = 3026037600. Its totient is φ = 444830976.

The previous prime is 1421101433. The next prime is 1421101463. The reversal of 1421101434 is 4341011241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421101434.

It is not an unprimeable number, because it can be changed into a prime (1421101433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1280872 + ... + 1281980.

It is an arithmetic number, because the mean of its divisors is an integer number (63042450).

Almost surely, 2^1421101434 is an apocalyptic number.

1421101434 is an abundant number, since it is smaller than the sum of its proper divisors (1604936166).

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

1421101434 is a wasteful number, since it uses less digits than its factorization.

1421101434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1421101434 is about 37697.4990417136. The cubic root of 1421101434 is about 1124.2814002488.

Adding to 1421101434 its reverse (4341011241), we get a palindrome (5762112675).

The spelling of 1421101434 in words is "one billion, four hundred twenty-one million, one hundred one thousand, four hundred thirty-four".