1421601055 has 8 divisors (see below), whose sum is σ = 1949624352. Its totient is φ = 974812128.

The previous prime is 1421601029. The next prime is 1421601059. The reversal of 1421601055 is 5501061241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421601055 - 2¹⁵ = 1421568287 is a prime.

It is a super-2 number, since 2×1421601055² = 4041899119154226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421601059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20308552 + ... + 20308621.

It is an arithmetic number, because the mean of its divisors is an integer number (243703044).

Almost surely, 2^1421601055 is an apocalyptic number.

1421601055 is a deficient number, since it is larger than the sum of its proper divisors (528023297).

1421601055 is an equidigital number, since it uses as much as digits as its factorization.

1421601055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40617185.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1421601055 is about 37704.1251721877. The cubic root of 1421601055 is about 1124.4131405006.

Adding to 1421601055 its reverse (5501061241), we get a palindrome (6922662296).

The spelling of 1421601055 in words is "one billion, four hundred twenty-one million, six hundred one thousand, fifty-five".