1421066010 has 128 divisors (see below), whose sum is σ = 4219213824. Its totient is φ = 298287360.

The previous prime is 1421065999. The next prime is 1421066029. The reversal of 1421066010 is 106601241.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 574797 + ... + 577263.

It is an arithmetic number, because the mean of its divisors is an integer number (32962608).

Almost surely, 2^1421066010 is an apocalyptic number.

1421066010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421066010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109606912).

1421066010 is an abundant number, since it is smaller than the sum of its proper divisors (2798147814).

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

1421066010 is a wasteful number, since it uses less digits than its factorization.

1421066010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1421066010 is about 37697.0291932932. The cubic root of 1421066010 is about 1124.2720584631.

Adding to 1421066010 its reverse (106601241), we get a palindrome (1527667251).

The spelling of 1421066010 in words is "one billion, four hundred twenty-one million, sixty-six thousand, ten".