421101054 has 144 divisors (see below), whose sum is σ = 1064372400. Its totient is φ = 120046080.

The previous prime is 421101049. The next prime is 421101073. The reversal of 421101054 is 450101124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 3726502 + ... + 3726614.

It is an arithmetic number, because the mean of its divisors is an integer number (7391475).

Almost surely, 2^421101054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421101054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532186200).

421101054 is an abundant number, since it is smaller than the sum of its proper divisors (643271346).

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

421101054 is a wasteful number, since it uses less digits than its factorization.

421101054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 421101054 is about 20520.7469162309. The cubic root of 421101054 is about 749.5410845861.

Adding to 421101054 its reverse (450101124), we get a palindrome (871202178).

It can be divided in two parts, 421 and 101054, that added together give a triangular number (101475 = T₄₅₀).

The spelling of 421101054 in words is "four hundred twenty-one million, one hundred one thousand, fifty-four".