420942141 has 12 divisors (see below), whose sum is σ = 608828220. Its totient is φ = 280258560.

The previous prime is 420942139. The next prime is 420942157. The reversal of 420942141 is 141249024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 197290116 + 223652025 = 14046^2 + 14955^2 .

It is not a de Polignac number, because 420942141 - 2¹ = 420942139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420942101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23490 + ... + 37331.

It is an arithmetic number, because the mean of its divisors is an integer number (50735685).

Almost surely, 2^420942141 is an apocalyptic number.

It is an amenable number.

420942141 is a deficient number, since it is larger than the sum of its proper divisors (187886079).

420942141 is a wasteful number, since it uses less digits than its factorization.

420942141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61596 (or 61593 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 420942141 is about 20516.8745426783. The cubic root of 420942141 is about 749.4467867071.

The spelling of 420942141 in words is "four hundred twenty million, nine hundred forty-two thousand, one hundred forty-one".