141021250420 has 24 divisors (see below), whose sum is σ = 296438171400. Its totient is φ = 56352586752.

The previous prime is 141021250417. The next prime is 141021250429. The reversal of 141021250420 is 24052120141.

It can be written as a sum of positive squares in 4 ways, for example, as 36663824484 + 104357425936 = 191478^2 + 323044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 141021250391 and 141021250400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141021250429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3473905 + ... + 3514264.

It is an arithmetic number, because the mean of its divisors is an integer number (12351590475).

Almost surely, 2^141021250420 is an apocalyptic number.

141021250420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141021250420 is an abundant number, since it is smaller than the sum of its proper divisors (155416920980).

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

141021250420 is a wasteful number, since it uses less digits than its factorization.

141021250420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989187 (or 6989185 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 141021250420 its reverse (24052120141), we get a palindrome (165073370561).

The spelling of 141021250420 in words is "one hundred forty-one billion, twenty-one million, two hundred fifty thousand, four hundred twenty".